Read the information about an ecosystem created by a student.
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?
a The student could add more water drops to the cotton ball.
b
The student could create more tunnels in the soil.
C
The student could provide fruits and vegetables every ten days.
d
The student could move the fish tank to another room.