The climax community of the boreal forest is most likely a mixture of a. fir, spruce, and pine trees.
b. lichens, grasses, and low shrubs.
c. high shrub, shrub-tress, and low trees.
d. larch, tamarack, and birch.

What molecule does hemoglobin decay into over time

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water

Which of these is the best source of stem cells and minimizes the risk with cell transplantation