AnswersEarth and Space A 26-27Populations and the Environment

Environmental Changes Answers

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Which actions can be taken to plan for a drought? Check all that apply.Replace low-water plants with grass.Pour excess water down the drain.Repair leaky bathroom faucets.Take longer showers.Turn off water while brushing teeth.

A
Replace low-water plants with grass.
B
Pour excess water down the drain.
C
Repair leaky bathroom faucets.
D
Take longer showers.
E
Turn off water while brushing teeth.
4

Use the drop-down menus to complete the statements.

Answers:
occurs when an entire species cannot adapt to a long-term environmental change.:Extinction
A population that cannot find food after a flood may to survive.:migrate
Over many generations, the buildup of favorable adaptations in a population may lead to .:speciation
5

Use the drop-down menus to complete the statements.

Answers:
occurs when an entire species cannot adapt to a long-term environmental change.:Extinction
A population that cannot find food after a flood may to survive.:migrate
Over many generations, the buildup of favorable adaptations in a population may lead to .:speciation
6

reproduce ✔ migrate evolve

A
reproduce
B
✔ migrate
C
evolve
7

migrationextinction✔ speciation

A
migration
B
extinction
C
✔ speciation
8

Which effects are most likely to result from the environmental changes? Check all that apply.

A
population loss of small animals
B
forced migration of some populations
C
speciation
D
extinction of many species
E
loss of habitat
9

Which effect is most likely to occur as a result of clear-cutting?

A
extinction of species
B
death of organisms
C
speciation
D
global warming

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