69 points! Pls tell me where to put the star I will mark brainliest but If ur answer is unrelated I will report u. Place the STAR on the pioneer species.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods