Place the levels of the ecological pyramid in order from the least to the greatest amount of biomass (total number of organisms). 1) 2) 3) 4) Drag and drop the correct choice into the blank spaces above Place the levels of the ecological pyramid in order from the least to the greatest amount of biomass (total number of organisms).
1)
2)
3)
4)
Drag and drop the correct choice into the blank spaces above
Place the levels of the ecological pyramid in order from the least to the greatest amount of biomass (total number of organisms).
1)
2)
3)
4)
Drag and drop the correct choice into the blank spaces above
Answers
The levels of the ecological pyramid in order from the least to the greatest amount of biomass: -
1. Pyramid of Number
The population (total number of people) present at each trophic level is represented visually by the first pyramid, which is a pyramid of numbers.
Depending on the number of organisms, this type of pyramid can take either an upright or an inverted shape.
The number of creatures in an upright pyramid of numbers often decreases from bottom to top. The plants (often the grasses) at the base of the pyramid are what typically cause this to happen in grassland and pond environments. The pyramid's higher tiers also contain the consumers.
2. Pyramid of Biomass
In a given trophic level, biomass is defined as the amount of living material present in an organism multiplied by the total number of organisms present. In simpler terms, it refers to the food that will be consumed by the following trophic level.
3. Pyramid of Energy
The pyramid of energy, which depicts the ecosystem's overall energy and the amount of energy needed by creatures as they move up the trophic levels, is the last but certainly not the least.
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Related Questions
Rick organized three games for a club's 25th anniversary celebration.
Get-It-Rolling is a game in which the player rolls an eight-sided die. The player wins if the die lands on 5.
Bag-of-Tokens is a game in which the player draws a token from a bag containing 7 tokens, each of a different color. The player wins if they draw the red token.
Pick-Your-Tile is a game in which the player picks a number tile from a box of 12 tiles, each with a different number on it. The player wins if they pick the tile that has the number 9 on it.
Rick kept track of wins and losses for each game attempt in the following table.
Game Number of Wins Number of Losses
Get-It-Rolling (A) 26 173
Bag-of-Tokens (B) 54 141
Pick-Your-Tile (C) 17 175
Select the correct statement.
A.
The results from both game B and game C align closely with the theoretical probability of winning those games, while the results from game A do not.
B.
Only the results from game A align closely with the theoretical probability of winning that game.
C.
The results from both game A and game C align closely with the theoretical probability of winning those games, while the results from game B do not.
D.
Only the results from game B align closely with the theoretical probability of winning that game.
Answers
Answer: C. The results from both game A and game C align closely with the theoretical probability of winning those games, while the results from game B do not.
Explanation: I got it right on PLATO, but here's the actual explanation as well.
For game A, you have a 1 in 8 chance to land on 5, so you're going to do 1/8 which = .125 or 12.5%. Now you're going to do the number of wins divided by the total number of attempts. In this case, it'll be 26/199 (199 came from 26+173). This equals .131 or 13.1% which is really close to 12.5% and thus aligned closely with the theoretical probability of rolling a 5 on an 8 sided die.
You follow this same process for the other two games, doing 1/7 for the second game and 1/12 for the third, and then using their respective results.
The correct statement is C. The results from both games A and game C align closely with the theoretical probability of winning those games, while the results from game B do not.
I was given it right on PLATO, but right here's the real rationalization as properly. For recreation A, you have got a 1 in 8 threat to land on 5, so you're going to do 1/8 which = 125 or 12.5%. Now you'll do the wide variety of wins divided by the whole number of attempts. In this example, it is going to be 26/199 (199 came from 26+173). This equals .131 or 13.1% which is clearly close to 12.5% and accordingly aligned carefully with the theoretical possibility of rolling a five on an eight-sided die. You follow this identical technique for the opposite video games, doing 1/7 for the second recreation and 1/12 for the third, after which the usage of their respective results.
What is an example of theoretical probability?The theoretical possibility is determined through the sample area of an item. For an instance, the probability of rolling a three with the use of a truthful die is 1/6. Which is due to the fact that quantity 3 represents one viable final result out of the 6 possible outcomes of rolling a fair die.
The theoretical probability is based totally on the belief that results have an equal danger of happening even as empirical chance is primarily based on the observations of an experiment. There are two other varieties of possibilities and those are axiomatic probability and subjective chance.
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The body will expend about ____ calories for every liter of oxygen consumed.
a. 2
b. 5
c. 7
d. 10
e. 12
Answers
The body will expend about 5 calories for every liter of oxygen consumed.
This is known as the respiratory quotient (RQ), which is the ratio of carbon dioxide produced to oxygen consumed during metabolism. The RQ for carbohydrates is 1, meaning that one molecule of glucose consumes one molecule of oxygen and produces one molecule of carbon dioxide. The RQ for fats is 0.7, meaning that one molecule of fat consumes 0.7 molecules of oxygen and produces one molecule of carbon dioxide.
The RQ for proteins varies depending on the type of amino acids, but on average it is around 0.8. By measuring the RQ, scientists can determine the type of fuel (carbohydrates, fats, or proteins) being used by the body during exercise or other activities. Overall, the body's energy expenditure is influenced by many factors, including age, gender, weight, and activity level.
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Given the following balanced redox-reaction: 2 Mn2+(aq) + 2 103" (aq) + 2 H20() → 2 MnO4 (aq) + 12(s) + 4 H+ (aq) Identify the reducing agent and find the number of moles of electrons transferred, n. (Select the appropriate answers.) 1. n = 5 2. n = 10 O 3. Reducing agent Mn2+(aq) O 4. Reducing agent H2O(1) 5. n = 3 U U . 6. Reducing agent MnO4 (aq) U 7. Reducing agent H+(aq) U 8. n = 2 9. Reducing agent 103" (aq) 10. Reducing agent 12(s)
Answers
The reducing agent in the given balanced redox-reaction is Mn2+(aq), and the number of moles of electrons transferred, n, is 5.
To identify the reducing agent, we need to determine the species that undergoes oxidation, losing electrons, and thereby causes the reduction of another species. In this reaction, Mn2+(aq) is oxidized to MnO4(aq), gaining electrons in the process. Therefore, Mn2+(aq) acts as the reducing agent.
To calculate the number of moles of electrons transferred, we can examine the balanced equation. The coefficients in front of the species indicate the stoichiometric ratios, including the transfer of electrons. In this case, 2 moles of Mn2+(aq) are required to transfer 5 moles of electrons. Hence, n = 5.
Therefore, the correct options are:
- Reducing agent: Mn2+(aq)
- Number of moles of electrons transferred: n = 5
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the pain of angina pectoris comes from a blockage in an artery that supplies the ____
a. heart. b. left arm and shoulder. c. neck and jaw. d. sternum.
Answers
The pain of angina pectoris comes from a blockage in an artery that supplies the heart (option A).
Angina pectoris is a condition characterized by chest pain or discomfort caused by reduced blood flow to the heart muscle. It occurs when the coronary arteries, which supply blood to the heart, become narrowed or blocked due to a buildup of plaque. This narrowing restricts blood flow, leading to inadequate oxygen supply to the heart muscle, resulting in chest pain.
The pain typically radiates to the left arm and shoulder (option B), neck and jaw (option C), and sometimes the sternum (option D) due to the interconnected nerve pathways. However, the primary source of the pain originates from the heart, making option A the correct answer.
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The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the cell cycle where the red arrow is pointing?
a)CDK proteins are actively phosphorylating and activating cyclins so that the cell will properly assemble the spindle apparatus.
b)CDK proteins are actively phosphorylating proteins that are involved in DNA replication.
c)CDK proteins are actively phosphorylating proteins that are responsible for assembling the mitotic spindle.
d)CDK proteins are actively phosphorylating regions of the DNA that need to be targeted for DNA repair.
e)CDK proteins are actively phosphorylating and activating cyclins so that the cell will prepare to replicate its DNA.
Answers
(b) CDK proteins are actively phosphorylating proteins that are involved in DNA replication. This statement is true.
Cyclin-dependent kinases (CDKs) are protein kinases characterized by requiring another subunit (the cyclin) to provide the domains essential for enzymatic activity. CDKs play critical roles in controlling cell division and regulating transcription in response to multiple extracellular and intracellular cues
The majority of cellular processes, including protein synthesis, cell division, signal transduction, cell growth, development, and ageing, are regulated by protein phosphorylation. This is because many enzymes and receptors are activated and deactivated via phosphorylation or dephosphorylation events as a result of particular kinases and phosphatases.
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If a strand has 10% cytosine, what percent will be adenine?
Answers
Answer:
40% of adenine is present
Explanation:
Kwashiorkor is a form of malnutrition caused by a lack of protein in the diet, most often seen in regions experiencing famine (hunger). Explain why this lack of protein is especially harmful for children.
Answers
Answer:
Explanation:
Proteins are macromolecules that are important in the development and repair of bones and tissues. Since good sources of proteins are made up of essential amino acids, they contribute greatly to the well being of children based on the roles of these essential amino acids.
When children do not have this protein there diet, they could have stunted growth and weak bones (due to absence of protein for bone and tissue development), fatigue (absence of protein for development of muscle thus not enough glycogen is stored in the muscle cells), slowed/stunted growth (absence of proteins for the development of bones and tissues) and this children also have reduced immunity because of the absence of proteins which releases amino acid for immune/antibody formation.
It is known that light is not required for moist pea seeds to germinate. However, dry seeds will not germinate even if there is light. Lata sets up 4 experiments using similar pea seeds: 1. Dry pea seeds kept in light. 2. Dry pea seeds kept in the dark 3. Moist pea seeds kept in light 4. Moist pea seeds kept in the dark In which case(s) will the seeds germinate?
Answers
Answer:
Moist pea seeds kept in light ( 3 )
Moist pea seeds kept in the Dark ( 4 )
Explanation:
The cases in which the seed will germinate are : Moist pea seeds kept in light and Moist pea seeds kept in the Dark and this is because it is known that dry seeds will not germinate in either Dark room or in a Room full of light and this is due to the absence of Moisture.
Add evidence based on reading: Read the section titled: Station A: Similar Embryos. Based on the reading and the pictures in the chart-how does the similarity of embryos across species provide evidence for evolution.
Answers
Answer:
Yes, the similarity of embryos across species provide evidence for evolution. The similarity of the embryos indicates that they evolved from the same common ancestor, the embryos at letter A clearly indicates this.
Explanation:
Select two options.
What happens during cell respiration?
O The cell takes in oxygen.
O The cell releases oxygen.
O The cell takes in carbon dioxide.
O The cell releases carbon dioxide.
O The cell splits.
Answers
PLEASE HELP ASAP WILL RANK BRAINLIEST!!!!
Answers
Answer:
C
Explanation:
The rise in the lines mean that the enzymes still work properly at different rates, but the peaks represent the temperatures and ph they work best at
) You've processed two samples using an LDPSA and the grain size histograms are below. Describe the two samples in terms of predominant grain size (sand, silt, clay), sorting, and maturity. Based on this information, which one came from a beach and which one came from a river, and why?
Answers
Sample 1 likely came from a beach due to its dominance of sand, moderate sorting, and absence of silt and clay. Sample 2 likely originated from a river due to its fine-grained nature, poor sorting, and inclusion of silt and clay fractions.
Sample 1: The histogram for Sample 1 shows a predominant grain size in the sand range, with minimal representation of silt and clay. The distribution appears moderately sorted, with a narrow peak in the sand fraction. This suggests that Sample 1 likely originated from a beach environment. The dominance of sand indicates a coarse-grained sediment, typically found on beaches due to wave action. The moderate sorting implies moderate energy conditions at the beach, allowing for some sorting but not complete separation of grain sizes. The absence of significant silt and clay fractions suggests limited transportation and deposition in a marine setting.
Sample 2: The histogram for Sample 2 exhibits a broader distribution of grain sizes, including significant representation of silt and clay fractions. This indicates a fine-grained sediment. The distribution is poorly sorted, with no distinct peak or dominant grain size. These characteristics suggest Sample 2 likely originated from a river environment. Rivers transport and deposit sediments from various sources, resulting in a mixture of grain sizes. The presence of silt and clay suggests longer transportation distances and lower energy conditions compared to beach environments. Poor sorting indicates minimal sorting and mixing of sediments, as seen in river systems.
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What is the likelihood that the progeny of IV-3 and IV-4 will have the trait? graph is in answer
A) 0%
B) 25%
C) 50%
D) 75%
E) 100%
Answers
The likelihood that the progeny of IV-3 and IV-4 will have the trait is 50%.
What is a progeny?A progeny is described as a descendant or offspring, as a child, plant, or animal.
When crossing an organism that is homozygous recessive for a single trait with a heterozygote, the chance of producing an offspring with the homozygous recessive phenotype is always 50%.
We know that during the process of progeny males are more often affected by sex-linked traits than females because mutations on the Y chromosome often worsen the effects of X-linked mutation.
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In the carbon cycle, carbon dioxide and water are converted to glucose and oxygen by ________
Answers
Answer:
Photosynthesis
Explanation:
Gteen plants through this process to convert Carbon dioxide in the air and water to carbohydrate (glucose) and oxygen.
Water vapor in the air releases heat and condenses into rain droplets is an example of an_____ reaction.
1. Endothermic
2. Exothermic
Answers
Answer:
I think it's exothermic
Answer:
endothermic reaction is when air releases heat and converts water into water vapour but exoteric is when water vapour gets converted into rain droplets!
Explanation:
endothermic is taking in heat and exothermic is giving out heat so when water takes in heat it became water vapour and so its endothermic but water vapour gives out heat causing exotehrmic reaction!
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What is the name of the new island off Iceland that began succession in 1963?
Answers
Answer: Surtsey
Explanation:
A patient is brought into the ed with respiratory depression. the patient has a history of copd. what acid-ba se imbalance is most likely? - respiratory acidosis.
Answers
Acid-base imbalance is most likely Respiratory acidosis
Respiratory acidosis is a condition that occurs when the lungs cannot remove all of the carbon dioxide the body produces. This causes body fluids, especially the blood, to become too acidic.
Causes of respiratory acidosis include:
Diseases of the airways, such as asthma and COPDDiseases of the lung tissue, such as pulmonary fibrosis, which causes scarring and thickening of the lungsDiseases that can affect the chest, such as scoliosisSome people with chronic respiratory acidosis get acute respiratory acidosis because an acute illness makes their condition worse and disrupts their body's acid-base balance.
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After a steroid hormone binds to its intracellular receptor, transcription of specific genes occurs. How does this happen?.
Answers
This happens as the activated receptor moves into the nucleus and binds to DNA.
Steroid hormones regulate cellular processes by binding to intracellular receptors they interact with nucleotide sequence and alter gene expression .
Steroid hormone are responsible for biological responses by regulating gene expression. these hormone travels from the membrane of target cells and enter cytoplasm here it binds the specific protein appropriate receptor.
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if the parathyroid glands were accidentally removed during thyroid surgery, a condition that could result is called .
Answers
Using the theories of glands, we got that if the parathyroid glands were accidentally removed during thyroid surgery, a condition that could result is called hypoparathyroidism.
Parathyroid glands are actually located in the neck just behind the thyroid gland. There are typically the four parathyroid glands that regulate blood calcium levels. Hypoparathyroidism is the rare but serious condition that can result after the removal of all the four parathyroid glands. It may happen during neck or the thyroid surgery when the pea-shaped gland is resected by mistake. In this condition, the blood calcium actually levels drop suddenly and may cause the dangerous heart rhythm irregularities and seizures. The condition happens due to extremely low blood calcium level and needs the immediate correction of the calcium levels.
Hence, if the parathyroid glands were accidentally removed during thyroid surgery, a condition that could result is called as hypoparathyroidism.
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In a Dihybrid cross, two heterozygous parents, AaBb x AaBb have an offspring. What is the ratio of the offspring??
Answers
TRUE/FALSE. The body is capable of producing all 20 amino acids it requires from fragments derived from carbohydrate and fat.
Answers
The body is capable of producing all 20 amino acids it requires from fragments derived from carbohydrates and fat is false.
Fat contains more calories per gramme than carbs and proteins. A gram of fat has around 9 calories, whereas a gramme of carbohydrate plus protein contains approximately 4 calories. In other words, for the same number of calories, you could eat twice twice as many carbohydrates or proteins for fat.
To function, the body need three major nutrients: glucose, protein, and fat. These nutrients are broken down into smaller components during digestion. Carbohydrates (glucose) are needed for energy. After being broken down into fatty acids, fats are used for energy.
Carbohydrates offer a person energy. People can get energy from protein and fat-containing diets, but carbohydrates remain the physique's preferred source. If a particular individual does not consume enough carbs.
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The statement "the body is capable of producing all 20 amino acids it requires from fragments derived from carbohydrates and fat" is false.
While the body is capable of producing some of the 20 amino acids it requires, it cannot produce all of them.
There are nine essential amino acids that the body cannot synthesize and must obtain through diet.
These essential amino acids include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Non-essential amino acids can be synthesized by the body using fragments derived from carbohydrates and fats, but this process requires adequate intake of essential amino acids.
It is important to maintain a balanced diet that includes all essential amino acids to support healthy bodily functions and protein synthesis.
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list two reasons why algae is good for making renewable fuel.
Answers
Answer:
they can be grown on land that would not be used for traditional agricultural, and are very efficient at removing nutrients from water.
Explanation:
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Write an 1 paragraph exploring the following prompt:
What is air pollution? What causes most of the air pollution? Why should we care about air pollution? Does it affect us? What can we do about air pollution?
please help me w my hw
Answers
What could cause the carrying capacity of deer to increase ?
Answers
Answer:
Deer populations increase through births or when new animals move into the area (immigration). Deer populations decrease through deaths or when animals leave the area or disperse (emigration). Population change = (birth + immigration) - (death + emigration).
Explanation:
Genetic information is transferred from DNA to?
Answers
to the cytoplasm by RNA
Explanation:
The genetic information is transferred from the nucleus to the cytoplasm by RNA (Ribonucleic acid).
eople that have a single allele (gene copy) for sickle cell anemia are typically not sick from the disease and are said to be carriers of sickle cell trait. These people will more often live in the malaria belt of sub-Saharan Africa. The most likely explanation for this is ________. malaria is a cause of sickle cell trait people with sickle cell trait have a better chance of surviving malaria sickle cell trait is passed on to the biting mosquitoes as malaria There is no correlation between a single allele for the pathology and the ability to survive or fight malaria.
Answers
Answer: people with sickle cell trait have a better chance of surviving malaria.
Explanation:
Malaria is a very prevalent disease in the malaria belt of Sub-Saharan Africa which includes much of western and central Africa. The people here have therefore grown to have better immunity to malaria by developing the sickle cell trait.
This has helped them survive both malaria and sickle cell anemia which doesn't affect them even though they carry the sickle cell trait.
Explain how water is used to create electricity.
Answers
Answer:
Explanation:Flowing water creates energy that can be captured and turned into electricity.The most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity.
Answer:
Water can be used in a lot of ways, let say that you have a big paddle by a raging river next to you to power your home, this paddle can keeping continuously moving to power that home based off how much that river is going. This is one way that water can be used to make electricity. Hope this helps, Merry Christmas, and have a nice day!
Explanation:
Describe the difference between how genetic engineering and artificial selection influence traits.
Answers
Answer:
Explanation:
Artificial selection selects the traits that are already present in the animal or human. On the other hand genetic engineering creates new/different traits.
In artificial selection scientist only breed the desirable traits. With genetic engineering use DNA to specifically manipulate the genome. Example: A way to change the genome is to enter genes from another organism.
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Which of the following conditions is most likely to result in permanent hair loss?
a family history of baldness
excessive vitamin A ingestion
chemotherapy
ringworm
Answers
Chemotherapy is most likely to result in permanent hair loss. While all of the listed conditions can lead to hair loss, chemotherapy drugs specifically target rapidly dividing cells in the body, which includes hair follicles.
This can cause hair to fall out and may result in permanent hair loss in some cases. Family history of baldness, excessive vitamin A ingestion, and ringworm are all potential causes of hair loss as well, but they are generally not permanent and can be treated or reversed in many cases.
Permanent hair loss is most likely to result from a family history of baldness. This type of hair loss is called androgenetic alopecia and is an inherited condition. It is more common in men, but it can also affect women. Excessive vitamin A ingestion can cause temporary hair loss, but once the excessive intake is stopped, the hair should grow back.
Chemotherapy is also known to cause hair loss, but in most cases, it is temporary, and the hair usually grows back after treatment ends. Ringworm is a fungal infection that affects the scalp and can cause hair loss in affected areas, but it is usually temporary and can be treated with antifungal medication.
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which of the following is expected to happen to a species' population when resources are stable over a long period of time and the species have reached carrying capacity?(1 point) responses the population will die out. the population will die out. the population will increase. the population will increase. the population will decrease. the population will decrease. the population will stay the same.
Answers
The correct option is d ;The population will decrease as it gets stable over a period of time.
If a species' population surpasses its carrying capacity, the ecosystem may become unfit for survival. If the population outnumbers the carrying capacity for an extended length of time, resources may be destroyed totally. If all resources are depleted, populations may perish.
The carrying capacity refers to the maximum population the ecosystem or the environment is able to carry or hold on to. This refers to the max population that can be sustained in the ecosystem and is population dynamics can be modeled from the logistic function. The more the number of species the fewer chances are in their survival as they have reached stability.
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The complete question is :
which of the following is expected to happen to a species' population when resources are stable over a long period of time and the species have reached carrying capacity?(1 point)
A responses the population will die out.
B the population will die out. the population will increase.
C the population will increase. the population will decrease.
D the population will decrease. the population will stay the same.