Describe one observation that supports the theory that mitochondria and chloroplasts originated as independent prokaryotic organisms. I need help for Biology.

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Which of the following human activities resulted in the growth of the north american deer population?