Biology

Biology, 21.06.2019 17:30, sadewright21404

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a. the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

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Biology, 27.06.2019 11:30, desmiyoungmoore

Asmall population of 1,000 mice lives on a 100-acre island in the middle of a large lake. one dry summer, the lake level drops dramatically. the island's size increases to 1,000 acres, and the island remains at this expanded size. the vegetation quickly spreads, and the mouse population grows. the population expands greatly, doubling in size each year for three straight years. however, the hawk populations expand too. from the fourth year until the present, the death rate of the mouse population has been equal to the birth rate. which of the following statements about this population of mice is true? the current mouse population is much less than the carrying capacity. the new population is about 16,000 mice. the logistic curve for this population will be j-shaped. the population density of the mice went from 10 mice per acre before the lake level changed to 8 mice per acre at its new carrying capacity.

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History, 26.07.2019 19:00, nicollexo21

The population of mice in a local forest ecosystem has recently died out due to disease. in the past, these mice were the main predators of the forest beetles. what is the best prediction about what will happen to the beetles? a) the drop in the mouse population will lead to a drop in the beetle population. b) the drop in the mouse population will lead to no change in the beetle population. c) the drop in the mouse population will lead to an increase in the beetle population. d) the increase in the mouse population will lead to an increase in the beetle population.

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Biology, 02.08.2019 07:00, frostylui

2) the population of mice in a local forest ecosystem has recently died out due to disease. in the past, these mice were the main predators of the forest beetles.what is the best prediction about what will happen to the beetles? a)the drop in the mouse population will lead to a drop in the beetle population.eliminateb)the drop in the mouse population will lead to no change in the beetle population.c)the drop in the mouse population will lead to an increase in the beetle population.d)the increase in the mouse population will lead to an increase in the beetle population.

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Biology, 24.08.2019 23:50, yialefi

In a food chain, assume clover → mice → hawks. what would happen to the mice population if clover became extinct? a. the mice population would increase. b. the mice population would stay the same. c. the mice population would decrease.

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