It is the plasma membrane
I believe the answer is C.
The name of the structure indicated by the question mark on this transverse cut of the developing embryo is the neural tube. This is further explained below.
<h3>What is a neural tube?</h3>
Generally, The neural tube is simply defined as the facilitator of the central nervous system
In conclusion, the neural tube is the brain and the spin.
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The size of plasmids ranges between 1 and 200 kbp (kilo-base pairs) and a DNA fragment that can be inserted into a plasmid vector is up to 20 kbp. Artificially constructed plasmids are often used as vectors in genetic engineering to clone and amplify (or express) particular genes.
Answer:
One factor would be adaptation to the environment. The brown rabbit blends in and doesn't stand out to predators
The second factor because the white rabbits do stand out to predators they are then killed and can not reproduce.
Explanation: