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omeli [17]
3 years ago
11

Which of the following provides evidence that all living things share common ancestors?

Biology
1 answer:
xxMikexx [17]3 years ago
5 0

Answer:

a. All of these

Explanation:

All of these options are correct

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pychu [463]

Answer:

c this is the answeruyiuuyidygccx

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2 years ago
Noah has collected a mold specimen found on a tree in his backyard. Noah knows the mold is a decomposer, but what role does mold
svp [43]

Answer:

the correct answer is A

Explanation:

definition of a decomposer is an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

so A is the answer

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5 0
3 years ago
Heritability refers to the extent to which trait variations among individuals are attributable to their differing
LUCKY_DIMON [66]

Answer:

Phenotypes

Explanation:

Heritability refers to the extent to which trait variations among individuals are attributable to their differing observable and most often definitive or measurable physical features, often called phenotypes. Examples of this variation could be something like height or eye colour. Basically it has to be traits that depend on genetics that environmental factors

6 0
3 years ago
Which of the following are among the most common second messengers?
frosja888 [35]

Answer:

The correct answer would be calcium ion and cAMP.

Secondary messengers refers to the intracellular signaling molecules which pass the signals from the receptors located on the surface of the cell to the target molecule present within the cell.

The secondary messengers can be classified into three major class:

  1. Cyclic nucleotide for example cAMP (cyclic adenosine monophosphate), cGMP (cyclic guanosine monophosphate)
  2. DAG (diacylglycerol) and IP₃ (inositol triphosphate)
  3. Calcium ions (Ca⁺⁺)  

Hence, from the given options, calcium ion and cAMP would make the correct choice.

3 0
3 years ago
Which cells in the seminiferous tubules regularly undergo mitosis?
ella [17]
Which cells in the seminiferous tubules regularly undergo mitosis?

Spermatogonia

5 0
3 years ago
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