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Lesechka [4]
3 years ago
8

What nitrogenous base is double ringed

Biology
1 answer:
Lorico [155]3 years ago
6 0
Purines; like adenine and guanine.
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Why is the alarm calling of the vervet monkey an example of advanced communication?
castortr0y [4]

Answer:

Why is the alarm calling of the vervet monkey an example of advanced communication? <em>The response is learned and stays consistent over time</em>

Explanation:

As a result of biological clock which is set by every living organism, which comes as a result of continuous experience of a thing over a period of time. At a point the body system adapts and react exactly when such occurrence happens like that of alarm calling of the vervet monkey

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3 years ago
Hormones released by the endocrine system travel in the blood until they find their specific target cell.
katrin2010 [14]

True

Hormones released by the endocrine system travel in the blood until they find their specific target cell it is true.

hope this helps!

6 0
2 years ago
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happens slowly over time only occurs below the species level is any change in the DNA of an organism can be caused by genetic dr
LUCKY_DIMON [66]

Answer:

The correct answer is - microevolution.

Explanation:

Microevolution is the very small evolutionary change specially allele frequencies on the level of species that occurs slowly over period of time. These changes occurs on the level of DNA or genetic level.

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Thus, the correct answer is- microevolution.

5 0
3 years ago
How does oxygen move from the respiratory system to the circulatory system?
TEA [102]

the right answer is by diffusion across a capillary wall

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All bone of the skeletal system meet up with at least one other bone at a junction called a joint. which bone is the exception?
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With only one exception (the hyoid<span> bone in the throat), every bone in the human body meets up with at least one other bone at junctions called joints.</span>
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3 years ago
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