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Professor Jamal is studying the populations of two species of grasses, labeled A and B, that are native to a grasslands ecosystem. Based on data and observations, the professor predicts how the populations of the grasses will vary with average temperature during the month of March. Her predictions are shown in the graph.
In one ecosystem, the average March temperature is 16°C. Based on the professor’s graph, which statements describe the populations of the two grass species in this ecosystem?
I. The two populations are approximately equal in size.
II. The two species help the ecosystem tolerate increases or decreases in temperature. III. Over time, one grass species will replace the other in the ecosystem.
(A) III. only
(B) I and II only
(C) I and III only
(D) II and III only
(E) I, II, and III

Professor Jamal is studying the populations of two species of grasses labeled A and B that are native to a grasslands ecosystem Based on data and observations t class=

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The  statements that describe the populations of the two grass species in this ecosystem are

  • The two populations are approximately equal
  • Over time, one grass species will replace the other in the ecosystem.

Option C I and III

This is further explained below.

What is an ecosystem?

Generally, An ecosystem, also known as an ecological system, is made up of all the creatures and the physical setting in which they live.

The nutrition cycles and energy fluxes connect these biotic and abiotic elements.

In conclusion, The  statements that describe the populations of the two grass species in this ecosystem are

  • The two populations are approximately equal
  • Over time, one grass species will replace the other in the ecosystem.

Option C I and III

Read more about  ecosystem

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