I think it’s b but idk i’m learning that in science as well
Saturn is the new best planet they changed it from Jupiter to Saturn
Answer:
D
Explanation:
Zebra mussels can be a nuisance in novel ecosystems. When introduced in a non-native ecosystem with no natural predators, they reproduce rapidly displacing native mussels. Zebra mussels take up much of the algar that feeds the other native species hence starving them to death and causing their numbers to plummet. In addition, they attach to the other mussels and clog up power plants, that use the local water, water intakes.
The answer is A because cells take in glucose and oxygen and make energy, with the waste products of CO2 and H2O