What does a pyramid of biomass represent? A. Amount of living tissue within a tropic area. B. Percentage of energy that’s passed through each tropic level.

C. Range of food webs found in one trophies level.

D. Number of total organisms within each trophic level.

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

Conservationists to restore ecosystems. which activity will positively affect the abiotic conditions of an ecosystem?

6. carly removed her watch and other jewelry, rolled up her sleeves, and properly washed her hands. which is the next step she should do to don her personal protective equipment? remove the mask by untying the lower string, then the top strings pick up the mask by the upper ties, trying not to touch the part that covers the face let the clean gown unfold by holding it directly in front of her pull the gown away from her shoulders, trying not to touch the inside of the gown