A ten-mile area of trees is removed from the tropical rainforest. How will this affect the amount of water and the amount of oxygen in the area? Give an example of what might happen to the water and oxygen in an area if the trees are removed in a tropical rainforest.

The model illustrates a process by which a substance is taken up by a cell

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

Explain why phospholipid molecules form a bilayer. (3 marks)