Azebra mussel is discovered in a lake in pennsylvania for the first time. why would this make an ecologist worried?

a. zebra mussels need to live in hot-water environments.
b. zebra mussels are vulnerable to many predators in that lake.
c. zebra mussels need to live in salt-water environments and it will hurt the organism.
d. zebra mussels are an invasive species that can completely disrupt an ecosystem

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 element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

answer: 4

explanation: 8