Answers5120VA Environmental Science Sem ACareers in Environmental Science

Global Connection: Changing Migratory Patterns Answers

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3

Too much logging in the Oyamel fir forests could lead to the eastern monarch butterfly going extinct because _______.

A
the entire population of the species spends winter in Oyamel
B
the butterflies breed in the Oyamel fir trees
C
the winters are too cold in Oyamel
D
the butterflies feed on the Oyamel fir trees
4

Too much logging in the Oyamel fir forests could lead to the eastern monarch butterfly going extinct because _______.

A
the entire population of the species spends winter in Oyamel
B
the butterflies breed in the Oyamel fir trees
C
the winters are too cold in Oyamel
D
the butterflies feed on the Oyamel fir trees
5

Which of the following is the biggest threat to the Monarch butterflies’ annual migration?

A
illegal logging
B
cold winters
C
airplanes
D
new predators
6

The biggest threats to Christmas Island crabs during their annual migration are _______.

A
dogs
B
cats
C
automobiles
D
fences

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Global Connection: Changing Migratory Patterns…