Tasha and Marco examine a cell through a microscope. Tasha suggests that the cell is a protist. Marco thinks it might be a bacterium. What evidence would prove Tasha right?

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

What is the problem in this article? what solution does the article propose?

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey