Question

this food chain shows organisms in a grassland ecosystem. use the food chain to complete the text below. if the population of deer mice increases, the population of long - tailed weasels will likely, and the population of katydids will likely

Explanation:

Step1: Analyze predator - prey relationship

In the food - chain, long - tailed weasels eat deer mice. More deer mice mean more food for long - tailed weasels.

Step2: Determine long - tailed weasel population change

Since there is more food available, the long - tailed weasel population will likely increase.

Step3: Analyze deer mice - katydid relationship

Deer mice eat katydids. An increase in deer mice means more katydids will be eaten.

Step4: Determine katydid population change

So, the katydid population will likely decrease.

Answer:

increase; decrease