Why do exotic species sometimes take over an ecosystem

Explain the principle of chemiosmosis.

Explain why elephant population were culled from 1967 to 1994

How do organelles interact within a cell

This is a viral disease which causes the immune system to not function properly. Example: Can be speady by sexual contact, sharing IV needles, or by blood transfusions.

What is a gamete? A. A sperm or egg cell produced by meiosis B. A diploid cell that split during meiosis C. Two sets of sister chromatids D. Two chromosomes that are identical

A pregnant woman at 37 weeks gestation calls the clinic to say she thinks that she is in labor. the nurse instructs the woman to go to the health care facility based on the client's report of contractions that are:

A human nose is capable of detecting how many basic odors? a. 20 b. 40 c. 49 d. 50

Why is a control necessary to have when designing an experiment?

Why are there many separate ecosystems in a rainforest

Describe several ways in which the cheek epithelial cells differed from the potato, tomato, and onion cells? be specific