Answer:
The answer is "Third choice".
Explanation:
Fossils are a great source of evidence about whales' forebears. It demonstrates, for instance, that a land mammal lived 50 million to 700 years ago. Whales evolved from such marine residents were thought by scientists. Scientists. This and more cells from a fossil can be said, so the concept that whales evolved from ancestors of land is reinforced by an extinct whale which has shortened the hind limbs evermore.
A selective agent is anything that gives a species the "upper hand", anything that impacts reproduction. So it may be climate, geography etc
The anatomical term for the calf area is sura or sural region.
That is the muscular zone on the back of the leg below the knee.
It is a swollen area.
There is a nerve named sural nerve that is in the calf. Also, there are sural arteries.
Sura is a latin term.
Answer:
Specific enzymes involved in its biosynthesis.
Explanation:
These enzymes are target sites for inhibition of peptidoglycan synthesis by specific antibiotics.