(Solved) Unit 3 (3 questions)

1) The carrying capacity (K) is the maximum population size that can be supported or sustained by a given environment. Which of the following statements about the carrying capacity is NOT true?

a. Once a population reaches its carrying capacity, the size of the population remains constant.

b. When a population overshoots K, individuals die due to lack of resources.

c. We can think of K as some "average" value that a given environment can support.

d. Environmental fluctuations cause the carrying capacity to fluctuate over time.

2) From the drop down menu choose the type of symbiotic relationships with their correct definitions.

Definitions:

One species is harmed, but kept alive, to benefit the other species Answer

Both species benefit from forming a symbiotic relationship Answer

Neither of the species benefit from forming a symbiotic relationship Answer

While one species increases its survivability, the other species neither benefits nor suffers from the symbiotic relationship Answer

One species benefits greatly while the other species dies Answer

3) An adult female migratory grasshopper lays her eggs on alfalfa plant stocks to provide new hatchlings with a food source.

The type of symbiotic relationship between the grasshopper and the alfalfa plant is

a. mutualism

b. commensalism

c. parasitism

d. predation

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Unit 3 (3 questions)

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