100

What is food chain?

A food chain is A diagram that shows the transfer of energy with a single pathway.

100

All plants and animals in an area make up a ____________

community/ecosystem

100

What do arrows represent in a food chain or food web?

The direction of energy flow from 1 organism to another.

100

What are some factors that can affect food chains and food webs?

Climate, habitat destruction, and human activities.

200

What is food web?

A food web consists of all the food chains in a single ecosystem.

200

acorns > squirrels > hawks 

Which of these is the producer?

the acorns

200

What is the ultimate source of energy in most food chains?

The Sun

200

Why is it important to study food chains and food webs?

To understand the delicate balance in ecosystems and the importance of biodiversity.

300

What is a secondary consumer?

An organism that feeds on primary consumers

300

grass > grasshopper > mouse  > snake

 Which organism is an herbivore?

the grasshopper

300

How do food chains vary in different ecosystems?

They depend on the available resources and the species present

300

A consumer may be a ___________, a __________, or a ___________

omnivore, an herbivore, or a carnivore

400

What is a tertiary consumer?

An organism that feeds on secondary consumers.

400

blackberries > bird > cat 

Which organism is the carnivore?

the cat

400

What is a top predator in a food web?

The organism at the highest trophic level, with no natural predators.

400

How do food chains and food webs help balance populations in an ecosystem?

They regulate the abundance of different species.

500

What are trophic levels?

The different levels of organisms in a food chain or food web.

500

Which of the following organism is a secondary consumer in the food chain? 

A.) hawk   B.) Coyotes C.) squirrel D.) earthworm

A. Hawk

500

All green plants (producers) get their energy from the ____

the Sun

500

What type of living thing would be found at the TOP of a food web?

predator - or an omnivore/ carnivore