Which microscope requires a transparent specimen?

The first mammals to evolve:

When animal muscle cells engage in fermentation, they make:   (Select all that apply.)

A cell with 2% salt is in an environment that is also made of 2% salt.  This is a(n):

True or False:  Plants are the only organisms that are capable of undergoing photosynthesis.

An animal cell in a hypotonic environment:

Where did life first evolve?

In our experiment with the blood cells in various salt solutions, what was the dependent variable?

When a cell with 2% salt is in an environment with 1% salt, this would be a(n):

In our experiment with the plant cells in various salt solutions, what was the dependent variable?