Ecosystem Relationships Notes Presentation with Questions

Multiple Choice

What are the two main types of factors that make up an ecosystem?

• Biotic and Abiotic

• Organic and Inorganic

• Living and Non-living

• Physical and Chemical

Open Ended

Why is it important for each population within an ecosystem to have its specific needs met?

Open Ended

Explain how limiting factors affect population growth.

Multiple Select

Which of the following are common limiting factors in an ecosystem?

• Sunlight

• Predation

• Mutualism

• Temperature

Multiple Choice

What is competition in an ecosystem?

• When organisms rely on the same limited resources

• When organisms cooperate for survival

• When organisms migrate to new areas

• When organisms evolve new traits

Multiple Select

What are some examples of competition among organisms?

• Strangler figs competing for light

• Birds migrating to new areas

• Hummingbirds competing for mates

• Fish cooperating for food

Open Ended

How does competition influence the behavior of organisms in an ecosystem?

Multiple Choice

What is predation?

• A relationship where both organisms benefit

• A hunting relationship where one animal eats another

• A relationship where one organism is unaffected

• A relationship where one organism is harmed

Open Ended

List the three types of symbiotic relationships.

Multiple Choice

Which of the following is an example of mutualism?

• A cat and a tick

• A flower and a bee

• A whale and barnacles

• A snake and a mouse

Open Ended

How do prairie birds and buffalo benefit from each other?

Multiple Choice

In the relationship between a sea anemone and a clownfish, what does the clownfish provide to the anemone?

• Shelter

• Protection

• Nourishment

• Camouflage

Multiple Choice

What is the definition of commensalism in symbiotic relationships?

• An interaction where both organisms benefit

• An interaction where one organism benefits and the other is unaffected

• An interaction where one organism benefits and the other is harmed

• An interaction where neither organism benefits

Open Ended

Explain how barnacles and whales demonstrate commensalism.

Multiple Choice

Which of the following is an example of commensalism?

• Barnacles on whales

• Ticks on dogs

• Clownfish and sea anemones

• Bees and flowers

Multiple Choice

What is parasitism in symbiotic relationships?

• An interaction where both organisms benefit

• An interaction where one organism benefits and the other is unaffected

• An interaction where one organism benefits and the other is harmed

• An interaction where neither organism benefits

Open Ended

Summarize the three types of symbiotic relationships shown in the diagram.

Open Ended

Explain why sunlight, water, temperature, and soil composition are important for plant populations in an ecosystem.

Multiple Choice

What are the two main types of factors in an ecosystem?

• Biotic and Abiotic

• Organic and Inorganic

• Living and Non-living

• Natural and Artificial