UNIT 3 VOCAB 2 QUIZ

What term describes an organism that obtains energy by eating both plants and animals?

• Carnivore

• Herbivore

• Omnivore

• Detritivore

Which of the following best defines 'trophic level'?

• A type of symbiotic relationship

• A classification of organisms based on their diet

• Each step in a food chain, food web, or energy pyramid

• A rule stating that energy transfer is always efficient

According to the 10% rule, what percentage of energy is passed onto the next trophic level?

• 10%

• 20%

• 50%

• 90%

What is mutualism?

• A relationship where one species benefits and the other is harmed

• A relationship where both species benefit from the relationship

• A relationship where one species benefits and the other is unaffected

• A relationship where both species are harmed

Which term describes a symbiotic relationship where one organism benefits and the other is unaffected?

• Mutualism

• Commensalism

• Parasitism

• Predation

What does parasitism refer to in ecological terms?

• A relationship where both organisms benefit

• A relationship where one organism benefits at the expense of the other

• A relationship where both organisms are unaffected

• A relationship where both organisms are harmed

Symbiosis is best described as:

• A relationship where one organism hunts another for food

• A relationship where one organism is killed and eaten by another

• A relationship where two different organisms live in close association with each other

• A relationship where energy is transferred efficiently

What is a predator?

• An organism that is killed and eaten by another organism

• An organism that benefits from another without harming it

• An organism that hunts other organisms for food

• An organism that obtains energy by eating plants only

Which term describes an organism that is killed and eaten by another organism?

• Predator

• Prey

• Parasite

• Host

organism that obtains energy by eating animals

• CARNIVORE

• OMNIVORE

• HERBIVORE

• PARASITE