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Karolina [17]
3 years ago
7

What was discovered in the 1930s about genes that helped us understand evolution better.

Biology
1 answer:
CaHeK987 [17]3 years ago
6 0
The idea of crossing over or genetic variation occurs. please give this brainliest!
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Arms extend from the middle outwards and tube feet for oxygen
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Insects, arachnids, and crustaceans  

Insects have 3 body segments. (head, thorax, abdomen)

Have a hard exoskeleton made of chitin.

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Which of the following is an example of the endocrine system maintaining homeostasis?
bekas [8.4K]

Answer:

The correct answer is "C".

Homeostasis is the maintaining of stable internal conditions in the body of a living being, such as body temperature or heart rate.

The endocrine system is an organ in the body which is in charge of secreting hormones that regulate numerous functions in the body, including metabolism, growth, sexual function, sleep, and mood among others. It is an essential organ which contributes to the state of homeostasis in the body.

Explanation:

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2 years ago
WORTH 25 POINTS AND BRAINLIEST!!!
Amiraneli [1.4K]

Answer:

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Explanation:

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8 0
3 years ago
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In a pea plant that is heterozygous for seed color what
asambeis [7]

Answer:

1/4.

Explanation:

The Mendel is known as father of genetics. He explained the concept of dominance, law of segregation and law of independent assortment while working on the pea plant.

The cross between the heterozygous seed color (Ss × Ss), result in the 3/4 dominant phenotype ( SS, Ss and Ss ) and 1/4 recessive phenotype with alleles ss.

Ss   ×   Ss

progeny obtained are SS, Ss, Ss and ss.

Thus, the correct answer is option (3).

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3 years ago
One difference between cell division in plant cells and in animal cells is that plant cells have...
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