BIOLOGY HIGH SCHOOL

All BUT one factor contributes to biological evolution. That is...A) mitosis.
B) mutation.
C) crossing over.
D) sexual reproduction.

Answers

Answer 1
Answer:

Mitosis enhances genetic continuity rather than variation. Mitosis is responsible for the growth, repair, and maintenance in organisms. Mitosis occurs when simple organisms, like a paramecium, reproduce asexually. All organisms have the same four nitrogen bases within their DNA, but how they are expressed in individuals is a result of their rearrangement as well as changes or mutations during sexual reproduction.

Answer 2
Answer: A: Mitosis! Since mitosis is the literal cloning of cells, it wouldn't increase genetic diversity of the gene pool.

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In the alternation of generations life cycle the diploid zygote grows into a sporophyte plant through a process calleda. reproduction. b. fertilization. c. meiosis. d. mitosis.
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How does the loss of vegetation on shore lines affect waterways?

Answers

Loss of vegetation on shore lines affect waterways, it increased erosion of water banks. Vegetation on the shore protects the soil from erosion, it lessens its effect through its roots supporting parts of the shore. Without these, erosion will negatively takes place.

(C) Increses erosion of water banks

___________ is a structure that contains spores and is located on the underside of fern leaves. Basidium Bacillus Cilium Sorus

Answers

Sorus is a structure that contains spores and is located on the underside of fern leaves.

In humans, having freckles is the result of a dominant gene, and not having freckles is a recessive trait. If a freckled man who is homozygous for this trait has a child with a woman who does not have freckles, which of the following best describes how their child would most likely appear?A. Their child would not have freckles if the father passes on the recessive allele.
B. Their child would have freckles.
C. Their child would not have freckles.
D. Their child would have freckles since the mother is a carrier for freckles.
Can someone explain this for me ?

Answers

The answer is C. Draw a Punnett square.
Its b because if you cross FF(freckles) and ff (no freckles) using punnet square or any method you will get 100% Ff . Since its recesive Ff means having freckles so the answer is b their child would have freckles

What muscles are involved when you're tying your shoe laces

Answers

skeletal muscle tissue 
generally our skeletal muscles are involved

Identify the purpose of the Open Door Policy. Choose the best answer from the choices below.A. to encourage free trade between European nations and the United States

B. to collaborate with other nations to maintain a common price level for free trade in China

C. to allow any country to trade with the United States with prices determined by market forces

D. to encourage other nations to engage in free trade with China, thereby improving its economy

Answers

The purpose of the Open Door Policy was to collaborate with other nations to maintain a common price level for free trade in China. The Open Door policy started in 1899. The correct answer is B. 

Answer:

B. to collaborate with other nations to maintain a common price level for free trade in China

Explanation:

plato

1. All fungi are ____A. Photosynthetic
B. Heterotrophic
C. Autotrophic
D. Parasitic

Answers

Answer:

All fungi are heterotrophic. (B)
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