15. A zebra mussel is discovered in a lake in Pennsylvania for the first time. Why
would this make an ecologist worried?
O A. Zebra mussels need to live in salt-water environments and it will hurt the
organism.
O B. Zebra mussels are vulnerable to many predators in that lake.
O C. Zebra mussels are an invasive species that can completely disrupt an
ecosystem.
O D . Zebra mussels need to live in hot-water environments.

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Cells are adapted to preform specific functions. which of the following terms refers to this capability?