7th LS Interactions in Ecosystems 5.2

Open Ended

What are some ways that species interact in ecosystems?

Multiple Choice

The bear hunted for and will eat the fish. Which interaction is this an example of?

• Predator and Prey

• Commensalism

• Mutualism

• Parasitism

• Competition

Multiple Choice

A tick feeds off of the blood of a mammal. Which type of interaction is this an example of?

• Predator and Prey

• Commensalism

• Mutualism

• Parasitism

• Competition

Multiple Choice

These ibex are fighting for a mate. Which type of interaction is this an example of?

• Predator and Prey

• Commensalism

• Mutualism

• Parasitism

• Competition

Multiple Choice

Bees need flowers for nectar (a food source). The flowers need bees to pollinate them. Which type of interaction is this an example of?

• Predator and Prey

• Commensalism

• Mutualism

• Parasitism

• Competition

Multiple Choice

Barnacles attach themselves to whales that they can gather food while the whale swims. The whale is not helped or hurt by this. Which type of interaction is this an example of?

• Predator and Prey

• Commensalism

• Mutualism

• Parasitism

• Competition

Multiple Choice

Which of these is a PRODUCER?

Multiple Select

Select all of the CONSUMERS.

Draw

Trace a food chain through the food web.

Multiple Choice

Which population would increase if the frog population decreased?

• corn

• grasshopper

• python

• eagle

Draw

Fill in the energy pyramid by writing the name of the correct organism for each level.