Ecosystems Quiz

What is a food chain?

• A sequence of events in an ecosystem where each organism is eaten by another organism.

• A process by which plants grow and thrive.

• A group of animals living together.

• A type of biome.

Which of the following is NOT a biome?

• Tundra

• Rainforest

• Ocean

• Mountain

What does biodiversity refer to?

• The destruction of a habitat

• The variety of life in a particular habitat or ecosystem.

• The number of trees in a forest

• The pollution levels in an ecosystem

Which of the following is an abiotic factor?

• Plants

• Animals

• Water

• Bacteria

What type of community interaction is predation?

• A relationship where both species benefit

• A relationship where one species is harmed and the other benefits

• A relationship where one species eats the other

• A relationship where neither species benefits

In a food chain, what is the term for organisms that produce their own food?

• Herbivores

• Carnivores

• Producers

• Decomposers

Which biome is characterized by very low temperatures, little precipitation, and permafrost?

• Desert

• Tundra

• Rainforest

• Grassland

What is an example of an abiotic factor that can affect an ecosystem?

• Deer population

• Plant diseases

• Soil pH

• Insect behavior

Which of the following best describes energy flow in an ecosystem?

• Energy flows from primary consumers to producers.

• Energy flows in a single direction from the sun to producers and then to various consumers.

• Energy is recycled within the ecosystem among all organisms equally.

• Energy flows from decomposers directly to primary consumers.

What is mutualism?

• A relationship where one organism benefits and the other is unaffected.

• A relationship where one organism benefits at the expense of the other.

• A relationship where both organisms benefit.

• A relationship where both organisms are harmed.