Why do you think animals and amoebas can't do photosynthesis? they lack a nucleus
they lack a cell wall
they lack ribosomes
they lack chloroplasts
ANSWER FAST WILL GIVE BRAINLIEST!!! I NEED IT RIGHT NO!

If cells in the process of dividing are subjected to colchicines, a drug that interferes with the functioning of the spindle fibers, at which stage will mitosis be arrested?

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?