Answer:
A.All involve the active transport of gases across membrane
Depends on the beetle, but I would most likely say plants.
Coal, oil, and, natural gas
Answer:
D. There was a single transition from aquatic to terrestrial habitats
Explanation:
Based on the molecular differences at the level of DNA sequence and inheritance, the molecular phylogenies show that all land plants are a monophyletic group. This is why it suggests a single transition from aquatic to terrestrial habitats occur.
Answer:
helps ecosystem
Explanation:
provides oxygen, clear water and air, water treatment and the list goes on