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Aliun [14]
3 years ago
15

Imagen you are a Student in 1856 visiting Charles Darwin in his garden. Write a letter to a friend describing natural selection

include evidences that brought darwin to this conclusion ?
Biology
2 answers:
pashok25 [27]3 years ago
7 0

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It provides a viable explanation for adaptation and speciation as it explains the change in heritable traits characteristic of a population over time.  Changes that allow an organism to better adapt to its environment will help it survive and have more offspring. Natural selection can change a species in small ways, causing a population to change color or size over the course of several generations. Given enough time and enough accumulated changes, natural selection can create entirely new species. It can turn dinosaurs into birds, amphibious mammals into whales and the ancestors of apes into humans.

Lesechka [4]3 years ago
7 0

Answer:

i found a video to help you with that

Explanation:

look up rick rolld

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<span>Which of the following is a structure in some plants that produces male sex cells? 
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If an organism expresses a recessive phenotype, can you tell the genotype? Explain your answer by giving an example.
blondinia [14]
Yes can you tell the genotype because obviously if you can tell the genotype then there you go
4 0
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The human heart is an organ that is made up of cells. Not all of the cells that make up the heart are identical, however. What n
slava [35]

Answer:

The correct answer would be D)  tissue.

In biology, the level of organisation from simplest to complex level can be summarized as:

Organelles → cells → tissues → organs → organ systems → organisms → populations →communities → ecosystem → biosphere.

It is clear that tissue is organization level that exists between cells and organs.

When similar cells are assembled together to perform specific function, the assembly or this organization is said to be the tissue.

There can be different types of tissues such as muscle tissue, nerve tissue et cetera.

Similarly, tissues arrange themselves to carry out specific function in the form of organ.

For example, heart is made up of cardiac tissue.

4 0
3 years ago
Read 2 more answers
Why is it important to have extra membrane space? What occurs here?
Blababa [14]

Answer:

The inner or cytoplasmic membrane, impermeable to polar molecules, regulates the passage of nutrients, metabolites, macromolecules, and information in and out of the cytoplasm and maintains the proton motive force required for energy storage.

Explanation:

5 0
2 years ago
PLEASE I NEED HELP!!!!!!!!
Masteriza [31]

Answer:

An increase of 3,500 J

Explanation:

Given that,

Energy added by swimmer = 12000 J

Heat removed by the surrounding = 8500 J

We need to find the total change in energy. It can be calculated using the law of conservation of energy such as :

\Delta U=Q-W\\\\\Delta U=12000-8500\\\\\Delta U=3500\ J

As the change in energy is positive, it means that there is an increase of 3500 J.

5 0
3 years ago
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