Student Copy of U8D4 Ecosystems

Multiple Choice

What are some factors that can impact an ecosystem?

• Climate change

• Pollution

• Natural disasters

• All of the above

Multiple Choice

What are the two main types of factors that can impact an ecosystem?

• Biotic and Abiotic

• Living and Non-Living

• Producers and Consumers

• Herbivores and Carnivores

Match

Identify the following objects as a biotic factor or abiotic factor.

• Rock

• Shark

• Rain

• temperature

• Tree

Abiotic factor

Biotic factor

Abiotic factor

Abiotic factor

Biotic factor

• Abiotic factor

• Biotic factor

• Abiotic factor

• Abiotic factor

• Biotic factor

Multiple Select

Which of the following are considered human impacts on the environment?

• Climate change

• Water supply

• Air quality

• All of the above

Match

Match the role each organism performs in an ecosystem.

• Makes its own food

• Returns nutrients to the soil from dead organisms

• Feeds on other organisms

Producer

Decomposer

Consumer

• Producer

• Decomposer

• Consumer

Fill in the Blanks

Multiple Choice

Explain the role of producers in a food chain.

• Producers are organisms that consume other organisms for energy.
• Producers are organisms that decompose organic matter.
• Producers are primarily carnivores that hunt for food.
• Producers are organisms that create energy through photosynthesis, forming the base of the food chain.

Multiple Choice

In the food chain, which organism is the secondary consumer?

• Grass

• Grasshopper

• Snake

• Hawk

Multiple Choice

What is the primary source of energy in a food chain?

• Sun

• Water

• Grass

• Hawk

Multiple Choice

In a food web, which organisms are considered tertiary consumers?

• Foxes

• Hawks and owls

• Rabbits

• Spiders

Multiple Choice

Identify the producers in the food web.

• Plants

• Rabbits

• Spiders

• Hawks

Multiple Choice

Identify the primary consumers in the given food chain diagram.

• Grasshopper and rabbit

• Hawk and snake

• Mountain lion and deer

• Bee and mouse

Multiple Choice

What is the role of producers in a food chain?

• They produce energy from sunlight.

• They consume other organisms.

• They decompose organic matter.

• They are at the top of the food chain.

Multiple Choice

Which level in the energy pyramid has the least energy available?

• Producers

• Primary Consumers

• Secondary Consumers

• Quaternary Consumers

Multiple Choice

Explain the concept of energy transfer in an energy pyramid.

• Energy transfer in an energy pyramid is 100% efficient.
• Energy is equally distributed across all trophic levels.
• Energy transfer increases as you move up the pyramid.
• Energy transfer in an energy pyramid is inefficient, with only about 10% of energy passing from one trophic level to the next.

Multiple Choice

What is the difference between a community and an ecosystem?

• A community is a larger concept that encompasses multiple ecosystems.
• A community is the group of living organisms, while an ecosystem includes both the community and the abiotic environment.
• A community includes both living organisms and the abiotic environment.
• An ecosystem is only made up of non-living components.

Multiple Choice

What is the role of an organism in an ecosystem called?

• Habitat

• Niche

• Community

• Population