Ecology Vocab Week 2

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

A living relationship between two species in which one organism is harmed is called...

• mutualism
• commensalism
• parasitism
• niche

What is the term for each step in the transfer of energy and matter within a biological community (food chain, food web, energy pyramid)?

• energy path

• food web

• trophic level

• food pyramid

relationship in which two species live closely together

• resource
• mutualism
• succession
• symbiosis

Example of a decomposer

• fungi

• mouse

• plants

• frogs

An animal that gets energy from eating both plants and animals is a 

• herbivore
• carnivore
• omnivore
• autotroph

A consumer that cannot make its own food is a

• heterotroph

• autotroph

• producer

• plant

What is commensalism?

• Symbiotic relationship where one organism benefits while the other is harmed
• Symbiotic relationship where one organism benefits while the other is neither helped nor harmed
• Symbiotic relationship where both organisms benefit
• Symbiotic relationship where both organisms are harmed

What is mutualism?

• Symbiotic relationship where one organism benefits while the other is harmed
• Symbiotic relationship where one organism benefits while the other is neither helped nor harmed
• Symbiotic relationship where both organisms benefit
• Symbiotic relationship where both organisms are harmed