Introduction and Energy Flow
Take this test as an actual test and then check how you did. Answers are on last sheet
When we discuss “our environment” we are referring to
a. All conditions in the world.
b. only interactions that affect human life.
c. only conditions that cause negative effects on our health.
d. primarily interactions that harm the atmosphere.
e. the sum of all the conditions surrounding us that influence life.
The difference between an environmentalist and an environmental scientist is
a. negligible because both care about Earth.
b. that an environmentalist is involved in a social movement; whereas an environmental scientist is concerned with the methods of science.
c. that an environmental scientist has a background in biology and chemistry; whereas, an environmentalist studies the humanities.
d. an environmentalist is generally a radical.
e. an environmentalist is involved in a social movement; whereas, an environmental scientist is concerned with politics.
Ecosystem services
a. are the processes by which life supporting resources are produced.
b. can be provided by a forest.
c. can be provided by an aquifer.
d. can be provided by soil.
e. All of these answers are correct.
The health of frog populations is used as an indicator of environmental health because frogs
a. are exposed to the water.
b. are amphibious.
c. eat insects which are very low on the food chain.
d. live in the tropics.
e. may ingest toxins on land.
Two square km is equal to _____ square meters.
a. 200,000
b. 2,000,000
c. 20,000,000
d. 200,000,000
e. 2,000,000,000
Five square miles is equal to _____ acres. (1 square mile = 640 acres)
a. 0.32
b. 320
c. 2500
d. 3200
e. 32,000
Seventy-five square kilometers is equal to _____ square miles. (1 km = 0.6214 mile)
a. 28.96
b. 2890
c. 5625
d. 39,600
e. 46.61
Twenty square kilometers is equal to _____ hectares. (1