Most likely D, was there a photo that went with this?
James Watson and Francis Crick
Answer:
Schizophyta is now commonly known as cyanophyta. Their characteristic are:
They are blue green algae. ...
They have organelle known as the thylakoid which are flattened, which help them in photosynthesis.
They obtain oxygen from the atmosphere for their energy and respiration.
Explanation:
Seems like Overpopulation, since they can not survive on the amount of resources available.
Answer:
A
Explanation:
Some materials reflect light waves.
