Leaves are organized in a way that helps them conduct photosynthesis. Explain how the structure of the leaf helps it perform photosynthesis.

Write a brief explanation here.

Answer:

it is complicated but you add 1+1 and get two

Comparatively speaking, external fertilization frequently produces a greater number of kids than internal fertilization. Internal fertilization, on the other hand, often has the advantage because the fewer kids produced frequently receive a greater degree of parental investment.

A male organism's sperm fertilizes a female organism's egg outside of the female's body in a process known as external fertilization. In contrast, internal fertilization involves the introduction of sperm through insemination and the subsequent fusion of an egg inside the body of a female creature.

It primarily occurs in fishes and amphibians.

Internal fertilization is the term for syngamy that takes place inside an organism's body. The female body produces eggs, which mate with male gametes there. In species that internalize fertilization, the male gamete is mobile and must come close to the egg in order to fuse with it.

So lastly we can say that, in close comparisons, external fertilization often yields more offspring than does internal fertilization. However, internal fertilization typically offers the advantage that -  the smaller number of offspring produced often receive a greater amount of parental investment.

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Answer:

Cell therapies would use stem cells, or cells grown from stem cells, to replace or rejuvenate damaged tissue. Scientists also want to use stem cells to understand disease and find drugs that might treat it. Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury

The researchers prefer to use embryonic stem cell in medical research as Embryonic stem cells are able to differentiate into a wider range of call than adult stem cells.

A blastocyst, an early-stage pre-implantation embryo, is the source of embryonic stem cells, which are pluripotent stem cells. Four to five days after fertilization, human embryos reach the blastocyst stage.

The human blastocyst, an early stage of the developing embryo that lasts from the fourth to seventh day after fertilization, contains embryonic stem cells (ESCs) in its inner cell mass. In typical undeveloped turn of events, they vanish after the seventh day.

The ability to differentiate into cell types belonging to the three germ layers (ectoderm, endoderm, and mesoderm) is what is meant by the term "pluripotent." the three distinct types of tissue that are present during embryonic development and later combine to form the adult.

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If a carbohydrate is composed of 7 carbon atoms, there would be 14 hydrogen atoms.

Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen atoms. They serve as a major source of energy for living organisms and play various roles in cellular processes. Carbohydrates can be classified into different types, including monosaccharides, disaccharides, and polysaccharides.

Monosaccharides are the simplest carbohydrates and include glucose, fructose, and galactose. Disaccharides are formed by the joining of two monosaccharide units, such as sucrose (glucose + fructose) and lactose (glucose + galactose). Polysaccharides are complex carbohydrates composed of long chains of monosaccharide units, such as starch, glycogen, and cellulose.

In a carbohydrate, the general formula is Cₙ(H₂O)ₙ, where n represents the number of carbon atoms. For a carbohydrate composed of 7 carbon atoms, n would be 7.

To determine the number of hydrogen (H) atoms, we can use the formula:

Number of H atoms = 2n

Substituting n = 7 into the formula, we get:

Number of H atoms = 2 * 7 = 14

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To sustain normal brain function, cerebral blood flow should be within the typical range of 50–60 ml/100g of brain tissue per minute.

The rate of blood flow in the brain is a critical factor in maintaining normal brain function. On average, the brain requires around 20% of the body's total blood flow to maintain its functions.

The normal range of cerebral blood flow is approximately 50-60 ml/100g of brain tissue per minute. However, it is important to note that the ideal rate of blood flow can vary depending on various factors, including age, health status, and activity level. In general, maintaining a consistent and adequate blood flow to the brain is crucial for healthy brain function.

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Answer:

True is the answer but i don't know why

Answer:

false!

Explanation:

Genetic mutations do not always have harmful effects on organisms. Some mutations can be neutral, and some may even be beneficial.

In the pre-cell (before the appearance of life) formed during chemical evolution with an outer membrane that is a phospholipid bilayer, one would expect that H2O and ions would: contribute to the formation and stability of the phospholipid bilayer in pre-cells during chemical evolution.

It would also be attracted to the polar head groups of the phospholipids in the bilayer. Form hydration shells around the polar head groups, providing stability to the bilayer structure. Interact with the membrane through passive diffusion, facilitated diffusion, or active transport, depending on the properties of the ions and the membrane.
The presence of H2O and ions in the prebiotic ocean would contribute to the formation and stability of the phospholipid bilayer in pre-cells during chemical evolution.

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Answer:

It is my opinion that the processes of colonization and selection have been used by people throughout history to obtain a wide variety of products. Colonization involves the expansion of one group of people into an area that is occupied by another group, often with the goal of extracting resources or establishing control over the land and its inhabitants. Selection, on the other hand, involves the deliberate breeding or cultivation of certain individuals or traits in order to produce desired characteristics in a population.

I believe that these processes have often been used in ways that are unethical and exploitative, with the colonizers and selectors prioritizing their own interests and goals over the rights and well-being of the people and environments they are impacting. In many cases, the colonizers and selectors have imposed their own systems and values on the people and land they have encountered, disrupting and damaging existing cultures and ecosystems.

However, I also recognize that these processes can be used in more responsible and sustainable ways. For example, colonization can be done in a way that respects the rights and traditions of the indigenous people, and selection can be used to improve the quality and productivity of crops and livestock without causing harm to the environment. It is important for people to consider the potential consequences of their actions and to strive for a more equitable and sustainable use of these processes.

Answer:

Explanation:Humanity must stop the pace of wildlife extinctions — or face extinction itself, according to a growing body of research.. At a time when more than 1 million species are at risk of extinction — and the links between human health and the health of the planet are clear — the stakes have never been higher, experts say.

Answer: The DNA would not be copied into RNA

Answer: Bacteria has Animal cells while plants have plant cells :)

Explanation:

Answer:

cant seeee

Explanation:

sry pic isnt clear

If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.

A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:

Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.

Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.

These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.

In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.

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A technique designed to prevent decay on the rough, chewing surfaces of children's teeth involves the use of dental sealants.

Dental sealants are thin, protective coatings applied to the grooves and fissures of the molars and premolars, which are the teeth primarily responsible for chewing food.

Dental sealants are typically made of a plastic resin material that bonds to the tooth surface, effectively sealing off these vulnerable areas from harmful bacteria and acids. By doing so, they provide a barrier against plaque and food particles, reducing the risk of tooth decay and cavities.

Children are more susceptible to cavities due to their developing oral hygiene habits and the natural anatomy of their teeth. The grooves and fissures in their molars can be quite deep, making them difficult to clean effectively with regular brushing. Sealants can be especially beneficial for children between the ages of 6 to 14, as this is when the permanent molars and premolars emerge.

It is important to note that dental sealants are not a substitute for good oral hygiene practices. They are meant to complement regular brushing, flossing, and dental check-ups, helping to maintain overall dental health. Sealants are a cost-effective and preventive measure, and with proper care, they can last for several years.

In summary, dental sealants serve as an effective technique to prevent tooth decay on the rough, chewing surfaces of children's teeth by creating a protective barrier against harmful bacteria and acids. Combined with good oral hygiene practices, sealants can help maintain healthy teeth and reduce the risk of cavities.

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Scientists discovered that stars in the universe are mostly composed of hydrogen and helium. The correct option is A.

A star is made up of gases like hydrogen and helium. They are spherical and shine from the sky. The nearest star is the sun. All other stars are very far away from the planets, that is why they seem small.

They are celestial bodies made up of hydrogen and helium, and they produce heat and energy.

Thus, the correct option is A. hydrogen and helium.

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Answer:

My best guess is B!!! Sorry if im wrong!!!

Explanation:

Hope this help!! <3

The white pulp of the spleen is the site of lymphocyte proliferation, immune surveillance, and immune activation. The spleen is a soft, vascular, purple organ found in the left upper abdomen. It is part of the body's immune system, specifically the lymphatic system.

The spleen is divided into two compartments, red pulp and white pulp. The red pulp removes aging and damaged red blood cells and recycles their components, whereas the white pulp is responsible for the immune system functions.The white pulp of the spleen is composed of lymphatic tissue, including T and B cells.

It serves as the site of immune surveillance, where foreign antigens in the bloodstream are identified and the appropriate immune response is initiated. When an antigen is detected, the T and B cells in the white pulp are activated, leading to the production of antibodies that help fight infection. Therefore, it is crucial for the white pulp to be functioning properly to ensure optimal immune response to pathogens.

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Answer:

B. DNA and Proteins

Explanation:

mark brainliest

Answer:

What gives your characteristics? DNA and Proteins.

Explanation:

Have a great summer.

The environmental group is most closely associated with mountain climbing, backpacking is Sierra Club, option (C) is correct.

The Sierra Club is most closely associated with mountain climbing, backpacking, and camping. Founded in 1892, the Sierra Club is one of the oldest and largest environmental organizations in the United States. It has a long history of promoting outdoor recreational activities and conservation efforts in natural landscapes, particularly in mountainous regions.

The club's members and supporters actively engage in activities such as hiking, backpacking, and camping, often in environmentally sensitive areas. The Sierra Club advocates for the protection of wilderness areas, preservation of ecosystems, and sustainable outdoor recreation practices. Through its outings programs and conservation campaigns, the Sierra Club encourages people to connect with nature, experience the beauty of mountains, and develop a sense of stewardship towards the environment, option (C) is correct.

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Answer:

Bottom left square

Explanation:

Mitosis is a type of cell division that enables growth and repair of an organism.

Before mitosis, the DNA is replicated. Then, the parent cell divides to produce two daughter cells that are identical to the parent cell and to one another.

The cells in the bottom left square are identical to one another and to the parent cell. Therefore, this is the correct answer.

Kira will be the first to finish the race, based on the question.

A measurement of an object's inertial characteristic, or how much matter it contains, is the entity's mass. The force of gravity acting on something or the force required to support it is quantified by the weight of the thing. An object's downward acceleration due to gravity on earth is roughly 9.8 m/s2.

mass

The kilo is the group of materials unit that is used almost globally as the SI mass unit. Under normal circumstances, 1 kilogram weighs 9.8 Newtons, the related SI unit of strength and weight.

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C. The crystals are larger than those formed closer to Earth’s surface.

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If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large. Some granites contain minerals which are up to one meter (3 ft) across!

The number of cells in a hummingbird, given the data is 10¹² cells

We'll begin by obtained the mass of a cell. This can be obtained as illustrated below:

Mass of 1 cell = 10 × mass of bacterium

But

Mass of bacterium = 10⁻¹⁵ Kg

Thus,

Mass of 1 cell = 10 × 10⁻¹⁵ Kg

Mass of 1 cell = 10⁻¹⁴ Kg

The number of cells in the hummingbird can be obtain as follow:

Number of cells = Mass of hummingbird / mass of 1 cell

Number of cells = 10⁻² / 10⁻¹⁴

Number of cells = 10¹² cells

Thus, the number of cells in the hummingbird is 10¹² cells

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Complete question

Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium. The mass of a hummingbird is of the order of 10⁻² Kg and that of a bacterium is 10⁻¹⁵ Kg

Answer:

limited resources

Explanation:

Resources like infrastructure, land, water, food etc are essential to stay in any area. With limited infrastructure services the living quality of an area degrades. Like wise non availability of resources like water, land (or very costly land due to high demand) also degraded the living condition in any urban area.

A) ACTH (adrenocorticotropic hormone) controls the release of glucocorticoids from the adrenal cortex.

The pituitary hormone that controls the arrival of glucocorticoids from the adrenal cortex is A) ACTH (adrenocorticotropic chemical).

ACTH, otherwise called corticotropin, is discharged by the front pituitary organ because of the arrival of corticotropin-delivering chemical (CRH) from the nerve center. ACTH then, at that point, follows up on the adrenal cortex, explicitly the zona fasciculata, to invigorate the union and discharge of glucocorticoids, like cortisol.

ACTH ties to explicit receptors on the outer layer of adrenal cortical cells, setting off a progression of biochemical responses that lead to the creation and arrival of glucocorticoids. Glucocorticoids assume a vital part in controlling different physiological cycles, including digestion, resistant reaction, and stress reaction.

While other pituitary chemicals, for example, melanocyte-animating chemical (MSH), follicle-invigorating chemical (FSH), luteinizing chemical (LH), and thyroid-invigorating chemical (TSH), play significant parts in the body, they are not straightforwardly associated with the control of glucocorticoid discharge from the adrenal cortex.

In this manner, the explicit reply answer is A) ACTH.

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Answer:

Just 5% to 10% of the sunlight they receive gets converted into energy. So if humans are going to photosynthesize, we'd better get good at it. We would probably evolve to become a lot bigger to absorb enough light to feed and grow.

Hope this was helpful!❤

Answer:

Yes because

Explanation:

The series "Imaginary Earths" speculates what the world might be like if one key aspect of life changed, whether related to the planet or humanity.

Green skin is common in science fiction, from little green men to Hera Syndulla from "Star Wars Rebels" to Gamora from "Guardians of the Galaxy." But what if green skin were not just for fictional aliens? If humans had green skin, for instance, what if it granted us the ability to perform photosynthesis, which plants use to live off of sunlight?

Let's analyze what science says about similar abilities in other animals and ask award-winning science-fiction author John Scalzi how he thinks humans might hypothetically benefit from photosynthetic skin.

Answer:

The rate of diffusion increases

Explanation:

This is because increase in temperature causes increase in the average speed of molecules which increases the rate of diffusion

Answer:

The higher the temperature, the more kinetic energy the particles will have, so they will move and mix more quickly. The greater the surface area, the faster the rate of diffusion.