Biology, 09.02.2021 04:20, SRTBANDIT4655
Ecosystem Interactions Quick Check
1. When resources are stable over a long period of time, a species’ population can be expected to(1 point)
-stay the same.
-die out.
-increase.
-decrease.
2. Which factor may increase a rabbit population?(1 point)
-decrease in predators
-decrease in food
-decrease in temperature
-decrease in space
3. A group of mountain gorillas has 10 members. How big is the group after 4 females emigrate, 2 females immigrate, 2 gorillas are born, and a male dies?(1 point)
-7
-13
-9
-1
4. Predator/prey interactions regulate the populations of both groups. Which chain of events follows from an increase in predators?(1 point)
-increase in prey → decrease in predators → decrease in prey
-increase in prey → increase in predators → decrease in prey
-decrease in prey → increase in predators → decrease in prey
-decrease in prey → decrease in predators → increase in prey
5. The population change equation is Population Change = (Natality - Mortality) + (Immigration - Emigration). Which equation would create stable population?(1 point)
-natality + immigration = mortality + emigration
-natality + immigration = mortality - emigration
-natality - immigration = mortality + emigration
-natality + mortality = immigration + emigration
Answers: 2
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Ecosystem Interactions Quick Check
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