13
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Relationships Among Organisms

Question 13 • CA-Life Science B (High School)

How do introduced species become established in a new ecosystem? Check all that apply.

Answer
A
introduced to a habitat similar to their own
B
introduced to a habitat different than their own
C
outcompete native species
D
generally have no native predators
E
generally have native predators
F
often have high reproductive rates
G
often have low reproductive rates
H
can tolerate a range of conditions

Explanation

Introduced species are more likely to establish when the new habitat has conditions similar to those they are adapted to. They may spread if they outcompete native species, have few or no native predators in the new ecosystem, reproduce quickly, or tolerate a wide range of conditions. A different habitat, native predators, and low reproductive rates generally make establishment more difficult.

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