ECOLOGY: Life Sciences

Which of the following lists the levels of an ecosystem in order from largest to smallest? 

• population, organism, community, ecosystem

• ecosystem, community, organism, population

• organism, community, population, ecosystem 

• ecosystem, community, population, organism

An organism gets food, water, shelter, and other things it needs to live, grow, and reproduce from its _____________

• population

• habitat

• abiotic factors

• species

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NGSS.MS-LS2-1

NGSS.MS-LS1-5

 

3. The nonliving things that interact with an organism are called biotic factors. True or False? 

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NGSS.MS-LS2-3

All the organisms that live in a particular area and their nonliving surroundings make up an ecosystem. True or False? 

Sunlight can be a limiting factor for populations of plants. 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS1-5

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When a snake kills a shrew, the shrew is the _________.

• prey
• host

• predator

• parasite

A relationship in which two species live closely together and both benefit is ________>

• mutualism

• predation

• parasitism

• ommensalism 

The role of an organism in its habitat is its 

• host

• prey

• niche

• adaptation

A grackle and a sparrow try to eat from the same ear of corn in a field.

This is an example of _______.

• Mutualism 

• Predation 

• Competition 

• Commensalism  

Tags

NGSS.MS-LS2-1

The two main kinds of interactions among organisms are competition and ___________

• Adaptation 

• Speciation 

• Predation 

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NGSS.MS-LS2-2