Ecological Relationships

The antlion is a ________ to the ant.

• predator
• prey

The ant is a ______ to the antlion.

• predator
• prey

Think about the predator vs prey graph in the video. As the predator (antlion) population increases, what happens to the prey (ant) population?

• as the predators increase, the PREY INCREASE
• as the predators increase, the PREY DECREASE

Think about the predator vs prey graph in the video. As the prey decrease, what happens to the predators?

• as the prey decrease, the PREDATORS INCREASE
• as the prey decrease, the PREDATORS DECREASE

Think about the predator vs prey graph in the video. As the predators decrease, what happens to the prey?

• as the predators decrease, the PREY INCREASE
• as the predators decrease, the PREY DECREASE

Think about the predator vs prey graph in the video. As the prey increase, what happens to the predators?

• As the prey increase, the PREDATORS INCREASE
• As the prey increase, the PREDATORS DECREASE

T/F - The antlion does not have to compete with other species for food (ants).

• True
• False

T/F - Producers don't have to compete.

• True
• False

Choose the correct definition for PARASITISM.

• one organism benefits, the other organism is unaffected/unharmed
• both organisms benefit
• one organism benefits, the other organism is harmed

Choose the correct definition for MUTUALISM.

• one organism benefits, the other organism is unaffected/unharmed
• both organisms benefit
• one organism benefits, the other organism is harmed