What contains both communities and ecosystems?

What is the process by which a floodplain forms?

Explain how you would demonstrate the idea static electricity

Which of the following is not a common intracellular second messenger? a. inositol 1,4,5-trisphosphate (IP3) b. adenosine triphosphate (ATP) c. 1,2 diacylglycerol (DAG) d. 3'-5' cyclic guanine monophosphate (cGMP)

Olivia researched insects that destroy farmers' crops. Based on this information, she discovered a way to keep the insects away from the plants, without adding any harmful chemicals to the crops.

How is the virus reproduced during the lysogenic cycle? A. through reproduction of the host cell B. by using viral enzymes to reproduce viral DNA C. by using the cell's enzymes to reproduce viral DNA D.

What evolutionary feature would distinguish phytoplankton from zooplankton?

What kind of organisms make up a food web

In this experiment, why didn't we just use ethanol to extract the trimyristin (instead of dichloromethane) ? this would have saved us a step and we would have been able to recrystallize directly after filtration.

How many different enzymes may be in the cytoplasm of a bacterium? How many copies of each enzyme are there?

All vertebrate embryos have slits and