Ecosystem Interactions Quiz

What is an ecosystem?

• A specific type of animal habitat

• A type of weather pattern

• A region where living and non-living things interact

• A place where only plants live

What is the main characteristic of estuaries?

• They are always salty

• They are areas where fresh and saltwater mix

• They are only found in deserts

• They have high salinity

What does the term 'salinity' refer to?

• The amount of salt in water

• The clarity of water

• The temperature of water

• The depth of water

What happens in intertidal zones during high tide?

• They dry up completely

• They are covered with water

• They are exposed to the sun

• They become sandy

Which of the following is a feature of intertidal zones?

• They are only rocky

• They are always dry

• They are never affected by tides

• They can be sandy, rocky, or muddy

In the food chain, what might plankton be eaten by?

• Lions

• Small fish and crabs

• Elephants

• Birds

What is a primary role of producers in an ecosystem?

• To produce food from sunlight

• To decompose dead organisms

• To eat other organisms

• To clean the environment

Which organisms are considered consumers?

• Cyanobacteria

• Fungi and bacteria

• Sea urchins and green crabs

• Salt marsh grasses

What is the role of decomposers in an ecosystem?

• To break down dead organisms

• To consume other organisms

• To produce food

• To provide shelter

What is an example of a scavenger in an ecosystem?

• Marine snail

• Algae

• Plankton

• Seaweed