I'm pretty sure the answer is B
Ecosystems, the interactive system of living and nonliving organisms in a specific location, CHANGE SLOWLY OVER TIME. When new plants and animals arrive in an area, they either thrive or struggle. Thriving species sometimes displace native species. When this happens, the system as a whole begins to change.
Answer;
10 bacteria cells can fit into an animal cell.
Explanations;
Cells can vary greatly in terms of size and shape.Bacterial cells are very small, they are about 10 times smaller than most plant and animals cells. most bacterial cells range in size from 1 to 10 micrometers (in length). The size of an animal cell on the on the other hand ranges from 10 to 100 micrometers.
