B. Choose the letter of the correct answer.
4. In a community where there are predators and prey, one always finds
a. Many more predators than prey
b. More animals than plants
Equal number of prey and predators
d. Many more prey organisms than predators
5. Which of the following pairs of organisms has harmful interactions?
* Snake and rat
b. Bird's nest and tree
c. Burtertlics and flowers
d. Orcłuds and trunk of a tree
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