Ecosystems

What is an ecosystem?

• An ecosystem is a community of living organisms and their interactions with the environment.
• An ecosystem is a type of musical instrument
• An ecosystem is a type of weather pattern
• An ecosystem is a type of computer software

Which of these is not a terrestrial ecosystem?

• Desert

• Tundra

• Ocean

• Forest

Which of the next pictures is an abiotic component?

• 
• 
• 
• 

The freshwater ecosystems content salt

• True

• False

What type of ecosystem is this?

• A tropical rainforest
• Grassland

• A desert ecosystem
• A freshwater lake ecosystem

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

• Grass

• Worm

• Deer

• Tree

What is the role of a producer in an ecosystem?

• Consumes other organisms for energy

• Breaks down dead organisms

• Produces food through photosynthesis

• Regulates the ecosystem

What type of ecosystem is this?

• Tundra

• Grassland

• Desert

• Forest

What is the primary source of energy in most terrestrial ecosystems?

• Sunlight

• Wind

• Geothermal energy

• Hydroelectric power

Which of the following best describes the role of a consumer in an ecosystem?

• Produces food through photosynthesis

• Consumes other organisms for energy

• Breaks down dead organisms

• Regulates the ecosystem