Definitions A
Definitions B
Ecosystem A
Ecosystem B
100

This includes living and nonliving things and their interactions

ecosystem

100

are organisms that are eaten by other animals.

What is prey

100

What is something all organisms need to survive?

A. water  B. soil  C. shelter

water

100

Based on a food web (drawn on the board), 

which organism is an herbivore?          

A. grasshopper B. snake C. fungi d. toad

grasshopper

200

the space, conditions, and living and nonliving things around an organism

environment

200

requirements for the well-being of an organism

needs

200

Matter moves directly from plants to animals when plants are eaten by animals. Matter also moves from plants to animals indirectly through -

A. sunlight   B. heat    C. adaptations   D. air

D. air

200

What is something that algae doesn't need to survive?

a. water   b. soil  c. sunlight  

 soil

300

a group of organisms that are similar to one another and can produce offspring

species

300

a single, self-contained living thing

organism

300

How does the decomposition of a fallen tree contribute to the health of a forest?

the decayed tree is decomposed and turned into nutrients for the soil

300

Decomposers are important because they A. prey on carnivores B. Break down plant and animal material for other organisms to use. C. are food for producers D. prey on omnivores

What is break down plant and animal materials for other organisms to use.

400

is an animal that hunts other animals for food.

predator 

400

actions by one thing that have an effect on a different or separate thing

interactions

400

The food of almost any type of organism can be traced to –

A. the ocean  B. bacteria  C. plants  D the sun

the sun

400

Based on a food web, which organism is a decomposer?          A. grasshopper B. snake C. fungi d. toad

fungi

500


one path that energy and nutrients follow in an ecosystem

food chain

500

Give an example of how matter could move in a food web from the sun to a wolf?


an example: sun>grass>grasshopper>toad>raccoon>wolf

500

how does matter move in this ecosystem? 

A. Sun<wolf<rabbit<grass

B. Sun>grass>rabbit>wolf

C. wolf>rabbit>grass>sun


B. Sun>grass>rabbit>wolf

500

The biggest risk for adding non-native species to an ecosystem is it can be:  

A. greatly helped  B. greatly harmed  

C. no difference   D. make it more diverse

greatly harmed

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