Read the information about an ecosystem created by a student.

Question

A student creates an ant ecosystem within a fish tank. The fish tank has soil in which the ants carve their tunnels. The student places pieces of fruits and vegetables in the tank every three days. The student adds five drops of water to a cotton ball every day to provide the ants with water. The student keeps the ant ecosystem in his bedroom.

Which change made by the student would have the LARGEST impact on the stability of the ants' ecosystem?

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a
The student could provide fruits and vegetables every ten days.
b
The student could add more water drops to the cotton ball.
c
The student could move the fish tank to another room.
d
The student could create more tunnels in the soil.

Answer 1

The answer is a) The student could provide fruits and vegetables every ten days. This change would have the largest impact on the stability of the ants' ecosystem because it would significantly alter the ants' food source availability, potentially leading to changes in their behavior, population size, and overall ecosystem dynamics.