QUESTION 9
What will happen to a population in a habitat if it exceeds its carrying capacity?
A. It will increase due to limited resources.
B. It will decrease due to limited resources.
C. It will increase due to unlimited resources.
D. It will decrease due to unlimited resources.
QUESTION 10
When does primary succession occur?
A. It occurs when organisms start to live in a barren environment for the first time.
B. It occurs when plants begin to grow over lichens and attract other animals to the area to feed.
C. It takes place in areas where there is soil and living things have already made that place their home.
D. It occurs when a shrub community is replaced by small trees which may eventually develop into a forest.
Answer (2)
When a population exceeds its carrying capacity, it will decrease due to limited resources. This occurs as competition for food, water, and shelter intensifies. Over time, the population may stabilize at or below the carrying capacity as resources reset and availability improves. ;
A population that exceeds its carrying capacity will decrease due to limited resources. This decline results from increased mortality rates, reduced birth rates, and emigration. The correct answer is B: It will decrease due to limited resources.
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