1. Corn plants and milkweed plants grow in the same area. Over several years, the milkweed plants have taken over the field and the corn plants no longer have space to grow.

This best demonstrates which type of an interaction between the plants?


cooperation

parasitism

commensalism

competition

2. Which best compares competition, cooperation, and predation between two organisms?


Both organisms benefit in cooperation, but only one benefits in predation and competition.

Both organisms benefit in cooperation and competition, but only one benefits in predation.

Both organisms benefit in cooperation, only one benefits in predation, and neither benefit in competition.

Both organisms benefit in competition, only one benefits in cooperation, and neither benefit in predation.