Ecology Review

Which of the following are biotic factors?

• sand
• tree
• elevation
• water

Which is the definition for "prey"?

• the animal being consumed
• a religious tradition
• the animal that eats another animal
• the study of ecosystems

Which of the following is an abiotic factor?

• rabbit
• snake
• rock
• bush

What is it called when all the members of a single species live in an ecosystem?

• community
• ecology
• population
• ecosystem

What are living factors?

• abiotic factors
• ecologist factors
• biotic factors
• ecosystem factors

What is needed to start any food web?

• producer
• consumer
• decompser
• prey

What is the name for organisms that break down dead organisms for food?

• consumers
• producers
• predators
• decomposers

In this food web, what is the grasshopper?

• producer
• tertiary consumer
• secondary consumer
• primary consumer

Tags

NGSS.MS-LS2-3

Which is a symbiosis where one organism is helped and the other is harmed?

• symbiosis
• mutualism
• commensalism
• parasitism

What is commensalism?

• a symbiosis where one species is helped and the other is harmed
• a symbiosis where one species is helped and the other is neither helped nor harmed
• a symbiosis where both species are helped
• a symbiosis between 2 or more organisms