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Question 292 pts

Which of the below are arguments for the preservation of biodiversity from the perspective of environmental ethics?

SELECT ALL THAT APPLY (You may need to select more than one answer)

Biodiversity must be preserved because of its direct use value

Biodiversity must be preserved because species have intrinsic value

The preservation of biodiversity is proper stewardship of the earth

None of these

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Question 302 pts

Which of the following is a consequence of biological magnification (biomagnification)?

Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers.

The amount of biomass in the producer level of an ecosystem decreases if the producer turnover time increases.

Populations of top-level predators are generally smaller than populations of primary consumers.

Only a small portion of the energy captured by producers is transferred to consumers.

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Question 312 pts

Which of the below can reduce the quality of habitat fragments for species that typically occur deep in the forest?

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Decreased levels of humidity

Increased levels of wind

None of these

The presence of housecats

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Question 322 pts

Hannah et al. (2002) concluded that______________

SELECT ALL THAT APPLY (You may need to select more than one answer)

The Kyoto Protocol is likely to halt the increase in CO2 emissions

Conservationists must become active in the debate over climate change

Shifting ranges of species due to climate change will require international cooperation to conserve

None of these

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Question 332 pts

What does it mean when we say that conservation biology is a normative discipline?

It argues that extinctions are not natural, and should always be prevented

None of these

It's a discipline that is neutral to the question of whether biodiversity should be preserved

It's a discipline that embraces particular values

Will rate when all are answered.