Why must an amoeba move it's cytoplasm around?

How did the Earth get these different layers? Did the Earth always have very separate, distinct layers? Describe what happened.

He transfer of pollen from the male reproductive structure to the female reproductive structure is called

Which of the following is always true of two organisms in the same taxonomic class? A. They can breed with one another B. They have certain physical features in common C. they evolved at the same time D. they live in the same ecosystem

Which of the following would be an example human/environment interaction? a. damming a river to prevent flooding. b. Wind Erosion. c. Glacial deposits. d. a river flowing into a delta

Can some cells survive with no nucleus?

What biome does new york state belong too?

Acute coronary syndrome (acs) is a blanket term that refers to:

Which of the following are true of a bacterial cell but not an animal cell? Does not have a distinct nucleus. Has a cell wall. Does not have a cell wall. Has a nucleus containing chromosomes

In what type of mine would a rock burst most likely happen? an above-ground biomining site using mine waste a large longwall mine an open-pit mine with a large tailing pond a strip mine near a water supply

Which factor has most likely affected the high fertility rate in Africa? A. Good medical care B. Strong economy C. Lack of education D. More birth control