4
AssignmentMultiple Select

Natural Selection

Question 4 • AISD-Biology B CR (25-26)

Which factors may contribute to the extinction of a species? Check all that apply. more individuals fighting over the same resourcesfewer individuals fighting over the same resourcesthe loss of the environment in which an organism’s needs are metthe gain of an environment in which an organism’s needs are metthe lack of predators in an areathe introduction of new predators into an area

Answer
A
more individuals fighting over the same resources
B
fewer individuals fighting over the same resources
C
the loss of the environment in which an organism’s needs are met
D
the gain of an environment in which an organism’s needs are met
E
the lack of predators in an area
F
the introduction of new predators into an area

Explanation

More individuals competing for the same limited resources can leave some organisms without enough food, water, or space. Losing an environment that meets a species’ needs can also make survival impossible, and newly introduced predators may reduce its population. Fewer competitors or gaining suitable habitat generally helps a species, while a lack of predators does not directly contribute to extinction.

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