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Ecology 4

Test Description: Biodiversity

Instructions: Answer all questions to get your test result.

1) Zebra mussels, an aquatic pest, came to the United States on ships from Europe during the 1980вЂ™s. They reproduce and grow so quickly that they cause major ecological changes and are driving several native species close to extinction. Zebra mussel

Aan endangered species Ba parasite Ca threatened species Dan invasive species

2) Why are fossil fuels nonrenewable?

ATheir ecosystems change forever when they are burned BThey require hundreds of millions of years to form CThey exist in a very small supply DThey are converted to carbon dioxide when they are burned

3) Using renewable resources while ensuring that they are not depleted is a practice called

Asubsistence hunting Bbiological magnification Cmonoculture Dsustainable development

4) The number of different species in the biosphere is called

Abiodiversity Bspecies diversity Cgenetic diversity Decosystem diversity

5) Biodiversity is important to human society because it

Ais a natural resource Ball of the above Cprovides medicines Dprovides foods and goods

6) An endangered species is

Aa dangerous predator Ba diseased animal Call organisms at the top of food chains Da group of organisms in danger of extinction

7) All of the following are threats to biodiversity EXCEPT

Aspecies preservation Binvasive species Cbiological magnification of toxic compounds Dhabitat fragmentation

8) The goals of conservation biology include all of the following EXCEPT

Aintroducing foreign species into new environments Bprotection of biodiversity Cwise management of natural resources Dpreservation of habitats and wildlife

9) A disease resulting in the deaths of one third of a dense population of bats in a cave

Adensity-dependant limiting factor Bresult of exponential growth Cnutrient-limiting factor Ddensity-independant limiting factor

10) Whose the best?

AMr. Kuhn BMr. Kuhn CMr. Kuhn DMr. Kuhn

*select an answer for all questions

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