SCIENCE YEAR 5-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

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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

What does every food chain start with?

• producers
• sun
• consumer
• decomposers

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NGSS.MS-LS2-3

Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

Tags

NGSS.MS-LS2-3

Energy increases as you move up the food pyramid (from bottom to top).

• True 
• False

Tags

NGSS.MS-LS2-3

A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem
• food web
• environment

Tags

NGSS.MS-LS2-3

A web showing connections between food chains in a ecosystem -

• food chain

• food web

• habitat

• ecosystem

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Makes food from dead organisms -

• decomposer

• producer

• consumer

• herbivore

Tags

NGSS.MS-LS2-3