Ecosystem Quiz

What role do plants play in an ecosystem?

• Secondary consumers

• Producers

• Primary consumers

• Decomposers

Which of the following is an example of a consumer in an ecosystem?

• Algae

• Sun

• Rock

• Deer

What is the primary function of a decomposer in an ecosystem?

• To provide sunlight

• To produce oxygen

• To consume plants

• To break down dead material

Which term describes the flow of energy in an ecosystem through feeding relationships?

• Habitat

• Niche

• Food Web

• Biodiversity

What is a niche in an ecosystem?

• A decomposing agent

• A consumer product

• The role or function of an organism

• A type of producer

What does a food web represent?

• All connections of energy flow throughout all organisms in a ecosystem.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

The populations of which organisms will most likely increase as a result of a disease that suddenly reduced the population of Texas horned lizards?

• Grasses and ants

• Ants and grasshoppers

• Grasshoppers and Texas Cottonmouths

• Texas cottonmouths and red shouldered hawks

An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:

• Predator

• Autotroph

• Producer

• Decomposer

What is the primary role of chlorophyll in photosynthesis?

• To absorb sunlight

• To release oxygen

• To consume carbon dioxide

• To produce glucose

Which part of the plant is primarily involved in the process of photosynthesis?

• Roots

• Stems

• Leaves

• Flowers