AnswersOnline Environmental Science - ASkills Lesson: Interpreting Observations

Environmental Scientists and Ecologists Answers

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Explain how an oil spill devastates marine life when animals get covered by the toxic sludge.

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2
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Every year _______ species go extinct.

A
3
B
72
C
1000
D
20000
3

How did DDT nearly drive the Peregrine Falcon to extinction in the 1950s and 60s?

A
reproductive disruption
B
blindness
C
cancer
D
feather loss
4

Explain the method scientists use to study how Earth’s atmosphere and climate have changed during the past million years.

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5

Explain E.O. Wilson’s theory of Island Biogeography as it applies to environments other than islands physically surrounded by water.

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6

What are the three pressures that lead to biodiversity according to E.O. Wilson’s theory of island biogeography?

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7

Observation of tool-making among chimpanzees was revolutionary primarily because scientists believed _______.

A
chimpanzees lacked the dexterity to make tools
B
Using tools was something only humans could do
C
Making tools was something only humans could do
D
none of the above
8

Entomology is the study of _______.

A
words
B
insects
C
fish
D
flowers
9

The best description of the greenhouse effect is that it _______.

A
is solely the result of burning fossil fuels
B
generates heat in the atmosphere
C
traps the heat generated by burning fossil fuels
D
collects heat emitted by the sun
10

Why have wildlife experts only estimated the number of endangered species in the world?

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