What is an ecosystem with an evenness of species numbers considered to be?

a. less biodiverse

b. equally biodiverse

c. more biodiverse

d. destined for extinction

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Will mark brainliest. (20 points) many have pigments structures known as eyespots that detect direction of light. a. b. archaebacteria c. protists d. none of the above

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic