Ecology Review Quiz

What is the main role of termites in ecosystems?

• They destroy homes.

• They break down dead plant matter.

• They eat live plants.

• They compete with other insects.

What do producers in food chain do?

• They eat other organisms?

• They make their own food.

• They break down organic matter.

• They provide shelter for animals.

In an energy pyramid, which trophic level has the least amount of energy?

• Primary consumers

• Secondary consumers

• Producers

• Tertiary consumers

Looking at this specific food web, snakes would feed on which tropic levels?

• Producers and tertiary consumers

• Secondary and tertiary consumers

• Secondary consumers only

• Primary and secondary consumers.

What are the organisms called that breakdown dead organic matter?

• Parasites

• Bugs

• Consumers

• Decomposers

What type of ecological relationship is shown with a flea on a rabbit?

• Mutualism

• Commensalism

• Parasitism

• Competition

What is the process called when nitrogen is converted into ammonia?

• Nitrification

• Denitrification

• Ammonification

• Nitrogen fixation

What is coral bleaching primarily caused by?

• Excessive algae growth.

• Low ocean temperatures.

• High ocean temperatures.

• Increased fish populations.

Which of the following is a significant impact of overfishing?

• Increased biodiversity

• Habitat destruction

• Decrease in predator populations

• Increase in carbon levels

Which activity is beneficial for supporting biodiversity?

• Deforestation

• Overharvesting/overfishing

• Reforestation

• Introducing invasive species