Darwin vs. Lamarck: Article and

Biology

1 answer:

egoroff_w [7]3 years ago

3 0

Answer: Lamarck: He said that change is made by what the organisms want or need.

Darwin: Believed that the desires of animals have nothing to do with how they evolve, and that changes in an organism during its life do not affect the evolution of the species. He said that organisms, even of the same species, are all different and that those which happen to have variations that help them to survive in their environments survive and have more offspring.

Explanation:

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How can two parents who show the dominant trait have offspring who shows the recessive trait? Give an example to support your an

natta225 [31]

Answer:

One example of a recessive inherited trait is a smooth chin, as opposed to a dominant cleft chin. Let (S) represent the dominant allele, and (s) represent the recessive allele. Only (ss) individuals will express a smooth chin. To determine the probability of inheritance of a smooth chin (or any other recessive trait), the genotypes of the parents must be considered. If one parent is heterozygous (Ss) and the other is homozygous recessive (ss), then half of their offspring will have a smooth chin.

Explanation:

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3 years ago

Why do plants have a cell wall and animals cells don’t?

algol [13]

Cell walls are supporting structures that help the plant to have a fixed shape and protect it from injury. Other than that, it helps to keep the plant turgid so that it can stay firm and upright. Because when it enters a high water potential solution, as water moves in, the water exerts turgor pressure on the cell wall and the cell wall thus exerts an opposing pressure to keep water out. Hence cell wall is needed for the plant.

On the other hand, animal cells do not need to keep the structures, as they have the skeletal system to protect the organs and cushion them against any
external injuries.

I hope that helped

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4 years ago

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An ecosystem can be viewed as a host that is parasitized by the organisms that live on it. Agree or disagree?

kari74 [83]

I agree because an ecosystem and a host are basically the same thing.

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4 years ago

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BIG POINTS How can a single cell become a larger organism 4 to 7 sentences long.

velikii [3]

Answer:

the respective means of growth within an organism varies from organism to organism. For instance, multicellular organisms grow via a process of cellular division known as mitosis, while others (being unicellular) grow or reproduce colonially-speaking via a process called binary fission.

Explanation:

Hope this helps!!

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3 years ago

Please help me answer 4-9 please

Anastaziya [24]

Answer:

decomposers are organisms that break down dead matter in an ecosystem.

8. in the process of photosynthesis.

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3 years ago