Respiration is the ability to break down nutrients to make energy, so the answer should be the fourth option.
The correct answer is: B) As land plants became more complex, animal life did as well.
This is because land could not be colonized by other organisms such as animals until land plants became established-there was nothing for animals to feed on.
So, plants were one of the earliest organisms to leave the water and colonize land.
Answer:
When light energy is absorbed by a chlorophyll molecule its electrons gain energy and move to higher energy levels in the molecule
The colony would have less genetic variation. The Bacteria in the colony would be too genetically similar
