Answer:
They have adapted to different niches.
Explanation:
due to competition
Answer:
A) secondary amide
Explanation:
When carboxylic acid reacts with a primary amine, a condensation reaction takes place with the elimination of a water molecule .
For example, ethanol reacts with methylamine which is a primary amine gives N-Methylacetamide and a water molecule as:

The bond formed which is
O
||
-- C ---NH ---
is known as secondary amide group as only one hydrogen is attached to nitrogen atom in the amide bond.
Increases. It gets harder to breathe and keep the rhythm.
Answer:
bc the cup system is a system that keeps everything cold
Explanation: