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snow_lady [41]
3 years ago
10

If organisms have similar DNA structure what does this suggest about their ancestors?

Biology
1 answer:
Phantasy [73]3 years ago
6 0
That their ancestors were related
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Terry saved some of the tooth-like objects within the hagfish's round mouth to analyze their composition in his mentor's biochem
Triss [41]

Answer:

The correct answer is option a. "scales".

Explanation:

The missing information of this question is the following:

"Terry catches a ray-finned fish from the ocean and notices that attached to its flank is an equally long, snakelike organism. The attached organism has no external segmentation, no scales, a round mouth surrounded by a s*cker, and two small eyes. Terry concludes it is a hagfish."

Gymnophiona is a group of amphibians characterized by having dermal scales as integumentary element. These amphibians are tetrapods and their scales are comprised of several layers of unmineralized collagenous fibers. The skeleton of the hagfish is made entirely of cartilage, therefore it is very likely that the tooth-like objects of hagfish's are made of cartilage, just like the scales of the tetrapod.

7 0
3 years ago
Not good with bio pls help !
Arte-miy333 [17]

Answer:

They adapted with new traits to survive to new environments.

Explanation:

survival of the fittest

3 0
2 years ago
Explain how a nymph grows or the molting process used for growing.
Alchen [17]

Answer:

As insect nymphs grow larger, their exoskeleton becomes too tight and they must replace it. Once a nymph outgrows its exoskeleton it will go through a process called molting, in which it leaves the old “skin” or exoskeleton behind. The new “skin” will harden and become the new exoskeleton

Explanation:

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3 years ago
How do insects contribute beneficially to agriculture?
erastovalidia [21]
They pollinate plants, which saves farmers work. Insects such as bees and butterflies help to pollinate plants. 
4 0
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Which graph displays the motion of the wood block?
Masteriza [31]

D.

The block of wood does not stop moving at any time as shown on the chart, so the answer can't be A. or C. and the speed is not increasing  so it can't be B.

7 0
3 years ago
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