5th Grade Ecosystems

Some organisms break down dead things for food. Which word describes these organisms?

• consumers

• herbivores

• decomposers

• producers

Tags

NGSS.MS-LS2-3

What is the primary (main) source of energy for plants?

• carbon dioxide

• soil

• oxygen

• sunlight

Tags

NGSS.MS-LS1-6

People are part of the food chain. What is the role of people in a food chain?

• carnivore

• decomposer

• consumer

• producer

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Which type of organism makes its own food?

• consumer

• producer

• decomposer

• scavenger

Tags

NGSS.MS-LS1-6

A coral reef and the organisms that live in it form a(n) ___.

• habitat

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-2

Which describes both a food web and a food chain?

• both contain only one consumer

• both contain multiple was that energy flows

• both begin with a producer

• both must include a carnivore

Tags

NGSS.MS-LS2-3

The relationship between an owl and a mouse is an example of___.

• competition

• predator and prey

• symbioses

• producer and consumer

Which event would cause an ecosystem to change quickly?

• a climate change

• a lake drying up

• an earthquake

• a rock becoming soil

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS2-4

Nonnative animal populations can grow rapidly in a new ecosystem because___.

• predators in the ecosystem are not used to hunting them

• nonnative species are always at the top of the food chain

• they have no competition for resources in the ecosystem

• they are producers

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In one ecosystem, snakes eat birds, plants make fruit, and birds eat fruit. Which is the correct food chain?

• snake --- plant --- bird

• plant--snake--bird

• bird---snake---plant

• plant---bird---snake

Tags

NGSS.MS-LS2-3