Food web

All energy transformations in an ecosystem begin with

• a scavenger
• the sun
• a decomposer
• a herbivore

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

a deer population has significantly increased, the best hypothesis is 

• the deer's main predator has been eliminated
• competition increased
• decreased water levels of local ponds
• organisms that rely on similar food sources migrated to the area

Tags

NGSS.MS-LS2-4

Which event is the best example of competition between species in a pond?

• dragonflies landing on lily pads
• lizards and snakes lying in the sun
• hawks eating mice
• frogs and toads eating flies

Tags

NGSS.MS-LS2-2

Birds eat insects off the skin of cows. If the relationship is a type of mutualism, then the organisms that will benefit are

• only the cattle

• neither the birds or the cattle

• both the birds and the cattle

• only the birds

Tags

NGSS.MS-LS2-2

an example of producer consumer relationship would be

• lion eating a deer
• grasshopper getting energy from grass
• hawk getting energy from snakes
• earthworm breaking down dead material

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Example of a consumer

• worm
• bacteria
• mushroom
• hawk

Example of a decomposer

• fungus
• mouse
• plants
• frogs

A tree is a ....

• composer
• decomposer
• producer

Humans are considered...

• consumers
• decomposers
• producers

What is a producer?

• an organism that gets energy from eating other organisms

• an organisms that uses sunlight to produce its own food

• an organism that gets energy from eating dead organisms, non-living material or waste

• an organism that uses chemical energy to make its own food