Ecological Relationships Quiz

What type of relationship benefits both species involved?

• Parasitism

• Commensalism

• Mutualism

• Competition

A tick feeds on a dog’s blood, harming the dog in the process. What type of interaction is this?

• Commensalism

• Mutualism

• Predation

• Parasitism

A bird cleans food from a crocodile’s teeth, and the crocodile gets dental hygiene. What relationship is this?

• Mutualism

• Parasitism

• Competition

• Commensalism

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NGSS.MS-LS2-2

Barnacles attach to whales to catch food as the whale swims, but the whale is unaffected. This is an example of:

• Mutualism

• Commensalism

• Parasitism

• Predation

What do all ecological relationships have in common?

• They always harm at least one organism

• They occur only between animals

• They involve close, long-term interactions between species

• They reduce biodiversity

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Which relationship is correctly matched with its example?

• Mutualism – a leech feeding on a fish

• Parasitism – a bee pollinating a flower

• Commensalism – moss growing on a tree trunk without harming it

• Predation – clownfish living in sea anemones

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Which of the following best describes parasitism?

• One species benefits, the other is unaffected

• Both species benefit

• One species benefits while the other is harmed

• Both species are harmed

A remora fish swims under a shark, eating leftover food scraps while the shark is unaffected. This is an example of:

• Parasitism

• Competition

• Commensalism

• Mutualism

Tags

NGSS.MS-LS2-2

Which situation shows mutualism in action?

• A mosquito biting a human

• A fox chasing a rabbit

• Bacteria in a cow’s stomach helping it digest food

• A bird living in a tree without affecting it

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In a parasitic relationship, which statement is true about the host?

• It gains nutrients from the parasite

• It is unaffected by the parasite

• It benefits from the relationship

• It is harmed by the parasite