In three to five sentences, construct an argument that shows why lichens are necessary to establish a new ecosystem after an extreme disturbance.(4 points)

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

Types of scientific inquiry that biologist engage in that cannot be completely controlled