Ecology 3 Test Review

The removal of coral reefs by people is an example of habitat ______.

• fragmentation

• loss

• degradation

• preservation

Habitat fragmentation often leads to _______.

• increased species diversity

• larger habitats for species

• decreased species diversity

• an increased food supply for species

All of the following are threats to biodiversity EXCEPT

• increase of toxic compounds

• habitat fragmentation

• invasive species

• species preservation

The goals of conservation biology include all of the following EXCEPT

• wise management of resources

• protection and management of individual species

• preservation of habitats and wildlife

• introducing exotic (invasive) species into a new environment

Acid Rain changes the pH of soil, killing some trees. This is an example of ________

• Habitat fragmentation

• global warming problems

• habitat degredation

• exotic/invasive species

What is an example of a renewable resource?

• water

• oil

• coal

• old growth forest

Renewable sources of energy...

• can replenish themselves naturally

• must be created in laboratories

• are manufactured from fossil fuels

• were never used until the 20th century

Which of the following is NOT a major source of freshwater pollution?

• sewage

• runoff of fertilizers and pesticides

• smog

• oil from oil spills

Plants and animals that have migrated to places where they are not native are called _______.

• invasive species

• endangered species

• threatened species

• extinct species

The disappearance of a species from all parts of its geographical range is called ________.

• nonrenewable resources

• pollutants

• habitat degradation

• extinction