1. Grasslands and Savannahs can support relatively large numbers of large mammals because: A. Savannahs have more trees which allow for a greater diversity of animals and plants B

B. Grasses are CAM plants which makes them productive in low moisture environments C

C. Grasses produce large amounts of biomass and are adapted to burning and grazing

D. Grasses live and seed once and produce many edible plant parts

2. The human population curve (below) looks a bit like the letter, "J." This would indicate that humans, up to this point seem to exhibit

A, P. selection

B. K-selection

c. sigmoid selection

D. r-selection

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.

which fault and or fold did you find most difficult to diagram

the answer is definitely a