The three common elements seen in a majority of carbohydrates or sugars are Carbon, Hydrogen, and Oxygen.
Answer:
An ectotherm can also be called a Poikilotherm.
:)
Answer:
The answer is natural selection.
Explanation:
Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.
This is the reason why natural selection is considered as a key mechanism of the evolution.
The answer is D! birds have to migrate for winter to find an abundance of food! they learned this over time making it a learned adaptation
