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Elis [28]
3 years ago
12

Reduction of the number of sets of chromosomes occurs during:

Biology
1 answer:
Oxana [17]3 years ago
4 0

Answer:

meiosis I

Explanation:

Reduction of the number of sets of chromosomes occurs during meiosis I.

During Meiosis I crossing over of genetic material occurs between chromosome pairs

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Bird guides once listed the myrtle warbler and Audubon's warbler as distinct species. Recently, these birds have been classified
taurus [48]

Answer:

The correct answer is A). The two forms are observed to interbreed successfully where their habitats overlap.

Explanation:

According to the biological species concept, the members in a population which interbreed with each other and produce viable offsprings comes under the same species. This classification does not involve morphology because even organisms having the same morphology can be of different species because they do not interbreed with each other in nature.

So here myrtle warbler and Audubon's warbler must be found interbreeding with each other and producing offsprings which have good survival rate and reproductive capability so this information might allowed scientists to reclassify these bird in the same species because only members of same species interbreed with each other. So the correct answer is A.

5 0
3 years ago
Match these items:
stepladder [879]

Answer:

a fertilized egg- zygote

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egg-producing organ in lower plants- archegonium

7 0
3 years ago
What changes can be produced by force
Alex73 [517]
Force can cause an object to change its speed or direction. A force causes  <span>acceleration, as given by Newton's equation F=ma, where f is force, m is mass,
</span>
8 0
3 years ago
Which property of a rock determines its color?
zaharov [31]

Answer:

method of formation

Explanation:

3 0
3 years ago
Read 2 more answers
PLEASE ANSWER THEM CORRECTLY I JUST NEED TO COMPLETE THIS ASSIGNMENT THEN IM DONE WITH 8TH GRADE IM VERY DESPERATE SO PLEASE HEL
Leno4ka [110]

Answer:

Protein Power:

1. A few example of high protein substances in nature are animal products, meat, milk, milk products, egg. Think of things that have over 20 grams of "protein" commonly meats have such high protein concentration due to the fiber and tissue formation.

2. To say they are similar would be a contradiction but for the sake of this assignment, the amino acid sequence which is the primary structure are identical in overall STRUCTURE.

3. Look up a protein structure and see what it does.

<em>Rate positively and give brainlist </em>

8 0
3 years ago
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