At the Start of a Study, 200 Spotted Owls Lived

question 20

Multiple Choice

At the start of a study, 200 spotted owls lived in an old-growth forest patch in western Oregon. During the next year, a biologist tracking the birds observed that 25 new birds hatched and 5 died. What was r for this year?

• A)0)1
• B)5
• C)20
• D)25
• E)200

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Definitions:

Coral Reefs

Diverse underwater ecosystems held together by calcium carbonate structures secreted by corals, providing habitat and shelter for many marine species.

Biodiversity Of Oceans

The variety of life in the world's oceans and seas, including the ecosystems, species, and genetic diversity found within marine environments.

Habitat Degradation

The process by which a natural habitat becomes incapable of supporting its native species due to environmental pressures or human activities.

Maximum Sustained Yield

The largest yield or catch that can be taken from a species' stock over an indefinite period without causing stock depletion.