Dil is studying two different type of birds: Polioptila caerulea and Guiraea caerulea. He was amazed by the similar characteristics both birds share. Based on the scientific names, Dil can conclude that the two types of birds
a. belong to different specie
b. belong to different domains
c. belong to different genera

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

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.

What goes in and out of a cell respiration?