Chapter 8 Understanding Populations
10 Questions
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Chapter 8 quiz for Environmental Science
Questions and Answers
- 1.Biotic potential is the slowest rate at which a population can grow.
- A.
True
- B.
False
- 2.Exponential growth is where a population grows faster and faster.
- A.
True
- B.
False
- 3.The unique role of a species within an ecosystem is its predation.
- A.
True
- B.
False
- 4.A relationship in which two organisms live in close association is called _____________.
- 5.A relationship in which one species benefits and the other speices is neither harmed nor helped is called ____________.
- 6.Ants and acacia tress have a mutualistic relationship because
- A.
They are both adapted to a humid climate.
- B.
They benefit each other.
- C.
The ants eat part of the acacia tree.
- 7.Which of the following is an example of coevolution?
- A.
Flowers that can be pollinated by only one species of insect.
- B.
Rabbits that invade a new habitat.
- C.
Bacteria that suddenly mutate in a lab.
- 8.The growth rate of a population of geese will probably increase within a year if
- A.
More birds die than are hatched.
- B.
Most females lay two eggs instead of three during their nesting season.
- C.
Several females begin laying eggs at younger ages than their mothers did.
- 9.Explain how the meanings of the words Predator and Prey differ.
- 10.Explain how two species can compete for the same resources even if they never come in contact with one another.
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