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Understanding Global Ecosystem Changes Quiz

12 Questions

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Understanding Global Ecosystem Changes Quiz

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Questions and Answers

What is the term used to describe a population of populations?

Trophic level

Ecosystem

Community

Metapopulation (correct)

How does seasonality impact the number of animals within an ecosystem?

Increases strain on prey (correct)

Has no impact on the ecosystem

Reduces strain on predators

Decreases strain on trophic levels

What does genetic variability refer to in wildlife populations?

The population growth rate

The number of individuals in a population

The diversity of genetic traits within a population (correct)

The number of habitats available to a species

Which factor contributes to global wildlife population fluctuations related to migration?

Decreased insect populations Signup and view all the answers

How do emerging diseases affect global wildlife populations?

Cause rapid fluctuations in population sizes Signup and view all the answers

In what way does climate change impact wildlife populations?

Results in early flowering of plants Signup and view all the answers

What is the term used to describe an ecological factor that becomes a barrier to populations of a species reproducing, leading to the formation of new species?

Speciation Signup and view all the answers

Which term refers to a small group within a population of animals that are free to reproduce with each other?

Demes Signup and view all the answers

What can result from ecological driven reproductive isolation?

New species formation Signup and view all the answers

Which term describes the size categories of ecosystems, ranging from very small to large?

Scales Signup and view all the answers

What can happen if there are too many predators in an ecosystem?

Decrease in prey population Signup and view all the answers

What type of periods are characterized by a lack of precipitation and are known as prolonged dry periods?

Drought periods Signup and view all the answers