A secondary source is anything written after the fact
Answer:
DNA is double stranded? if that is your question.
Explanation:
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.
Decrease as the more frogs there are the more flies will be eaten so that means the flies will decrease.Also if the flie population gets low enough the frog population would shrink too to balance it.
Answer:
Explanation:
Membrane bound organelles and eukaryotic
