Final Exam Env100 Essay

1901 Words Nov 26th, 2012 8 Pages
ENV100 Principles of Environmental Science
Final Exam –

Name:

1. The interdisciplinary study of humanity’s relationship with other organisms and the non-living physical environment is termed

a) ecology
b) sociology
c) political science
d) risk analysis
e) environmental science

2. What activity/activities contribute(s) to making the human species the most significant agent of environmental change on Earth?
a) continued population growth
b) consuming non-renewable resources
c) eradicating unique species
d) ignoring the environment
e) All of the above

3. In order for a country to progress from a less developed country (LDC) to a moderately developed country (MDC), the country would have to
a) increase rate of
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c) stationary sources and volcanoes.
d) construction and transportation.
e) incinerators and transportation.

14. The crust of our planet that is made of rock and soil is what layer?
a) hydrosphere.
b) ecosphere.
c) biosphere.
d) lithosphere.
e) atmosphere.

15. The primary reason we have seasons is because of the:
a) Earth's rotation.
b) Earth's orbit.
c) Earth's tilt on its axis.
d) density of the Earth's atmosphere.
e) layers of the Earth's atmosphere.

16. The interdependent evolution of two interacting species is known as:
a) natural selection.
b) ecology.
c) coevolution.
d) mutualism.
e) herbivory.

17. The biological community that characterizes the arctic tundra is:
a) migrating herbivores, small mammals, and predatory birds.
b) large trees.
c) mosses, lichens, and dwarf woody plants.
d) diverse amphibians and reptiles.
e) a and c

18. Define landscape ecology and briefly explain how it relates to individual ecosystems.
A landscape is a place where there are multiple ecosystems. This relates to individual ecosystems because these individual ecosystems make up the landscape.

19. Are the fires pictured below helpful to the health of the ecosystem?

a) No, they cause soil erosion.
b) No, they destroy the biodiversity of the ecosystem.
c) Yes, the ashes that are left are rich in potassium, phosphorus and other minerals that are needed for the vegetation to flourish.
d) Yes, they remove the plant cover which exposes the

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