Nitrogen how much of earths atmosphere?

A 100%

B78%

C 22%

D0%

Hummingbirds drink nectar from flowers robins eat plant seeds what does this reduce : a. Interspecific competition, be intraspecific competition, c. cooperation, d. mutualism

Speed in a given direction is called a. thrust. c. mass. b. velocity. d. acceleration.

Oxygen consumption can be used as a measure of metabolic rate because oxygen is

Christy notices that a certain kind of moth flies to the light on her porch. Which behavior is the moth exhibiting? A. Taxis B. Migration C. Imitation

Explain how construction of dams changes the landscape?

A. what are the primary abiotic factors that will affect life underwater? b. Explain how the abiotic factors such as depth, Temperature, and some other mentioned in the questions before affect aquatic organisms.

What is a prokaryote, and when did prokaryotes arise?

Would it be cheating if i read these answers and write my own answers using my own words for assignments?

Why don't white tigers hibernate?

Cells with a higher surface area-to-volume ratio have a harder time with the exchange of material into and out of the cell. True or false?