Why are there no plants below 500 meters? What do animals at this depth depend on for food instead?

What do you think would happen if a person is infected with Zika virus and had a weakened immune system?

An experiment was performed to study the progress of cells through the mitotic cell cycle. The compounds listed were used one at a time to study their effects on the cell cycle: cytochalasin: an inhibitor of actin microfilament assembly colchicine:

What are the functions of pharynx

What are four groups of organic compounds found in living things

Whats the cellular structure of a sperm

Explain why it would be impossible for a gorilla the size of king kong to have fur. (your answer should explain how the surface area/volume ratio of a normal-sized gorilla would compare to kong's;

What is the function of cytoskeleton?

In an experiment, investigators try to control all of the variables except one-the one that tests the hypothesis. Which of the following reasons is the primary rationale for controlling variables in an experiment? A.

What part of the plant develops into the primary root? A. Root tip B. Radicle C. Root hair

In most mammals, the left lung is divided into how many parts? A. Two B. Four C. Five D. Three