Preserving Biodiversity

Multiple Choice

Which conservation strategy involves the protection of entire ecosystems rather than individual species?

• Captive breeding programs

• Habitat restoration

• Species reintroduction

• Ecosystem management

Multiple Choice

On March 24, 1989, an oil tanker ran aground on Bligh Reef in Prince William Sound, Alaska, and spilled millions of liters of crude oil. The graph shows pink salmon populations in Prince William Sound from 1970 to 1999.

What do these data suggest about the effect the oil spill had on pink salmon?

• Pink salmon were nearly eliminated after the oil spill.

• Pink salmon populations seemed to be minimally affected.

• Pink salmon populations steadily declined in the 10 years following the spill.

• Pink salmon populations declined and never fully recovered.

Multiple Choice

What is the effect of overfishing on marine biodiversity?

• It increases the number of fish species

• It has no significant impact

• It leads to a decrease in fish populations and affects the marine food web

• It improves the health of coral reefs

Open Ended

How do humans effect Biodiversity?

Multiple Choice

What are the human impacts on biodiversity?

• Habitat destruction

• Pollution

• Overfishing

• All of the above

Open Ended

How have the ways humans thought about biodiversity changed over time? Do humans have a responsibility to protect biodiversity?

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Multiple Choice

Whaling was a very profitable profession until whale populations crashed. The global community came together to enact a ban on whaling. However, Japan and Norway have not agreed to stop whaling. Which of the following is the most likely consequence of their decision?

• The whale populations are bouncing back very successfully and are unaffected by Japan and Norway continuing to whale.
• The whale populations are not rebounding as quickly as they might if all of the countries agreed not to hunt whales. 
• The whale populations have mutated into new kinds of organisms.
• The whales are getting better at avoiding capture.