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vovikov84 [41]
3 years ago
7

4.what organism was darwin studying when he came up with the theory of evolution? and what did he notice about the organisms he

was studying and what caused that trait to be different?
5. Darwin said that evolution is driven by _______ which basically means survival of the fittest
6. darwin wrote a book to publish his ideas callled: ____
7. What is difference between artifical selection and natural selection?
8. Give an example of Artificial Selection
9. Describe how genetics is responsible for some organisms adapting and why are some not able to survive.
11. What is fitness?
12. What is a species?

**SORRY! JUST NEED TO FINISH MY CHEAT SHEET FOR MY BIOLOGY TEST**
13. How has natural Selection caused the peppered moth to evolve?
14. How has natural selection caused the rock pocket mouse to evolve?
15. What is the difference between microevolution and macroevolution?
16. new traits in populations are emerging all the time. What 2 things can cause a trait to become prevalent in a population and get passed down from generation to generation?
17. What is genetic drift and give an example?
18. How is botlenecking different from Normal Genetic drift?
19. how can geography contribute to evolution and create a new species?
20. what is co-evolution and give an example.
21. Describe, draw a graph, and give an example of Stabilizing Selection, Directional Selection, and Disruptive Selection
Biology
1 answer:
Gre4nikov [31]3 years ago
7 0

1) Fiches,different beaks

2) Natural selection

3) The origin of species

4) Natural selection is chosen by nature according to who has the better genes

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Complete the sentences. Each term may be used more than once.
11Alexandr11 [23.1K]

Answer:

The correct answer is -

1. right-handed

2. right-handed

3. positive

4. left-handed

5. negative

6. negative

Explanation:

In a circular bacterial chromosome, the structure of DNA is a right-handed double helix In a circular bacterial chromosome.

If DNA is twisted in the right-handed direction, it becomes overwound. Overwinding results in positive supercoiling takes place. If DNA is twisted in the left handd direction, it becomes underwound. Underwinding results in negative supercoiling.

f. One effect  negative supercoiling in bacterial chromosomes is to promote separation of the two strands of DNA in the double helix

8 0
2 years ago
Why lactic acid fermentation is considered a type of Anaerobic respiration, when both of them are different things.
zepelin [54]

Answer:

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occurs in the absence of oxygen . Lactic acid is generated

as a byproduct of this reaction, which is what gives this

type of fermentation its name.

and also Lactic acid fermentation is the type of anaerobic

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2 years ago
In 2003 congress passed a prescrition drug benefit as part of which existing health care law
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7 0
3 years ago
Number of chromosomes sets with in a cell is reduced during
Scorpion4ik [409]
The answer is Meiosis.
8 0
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Why do you think DNA is duplicated before
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The two cells that result from a single cell need to have the same amount of genetic material as the initial cell, therefore the DNA needs to be duplicated before the cell divides.

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