Transcript Life Science – 4th Grade

Life Science –
th
4
Grade
Producers, Consumers,
Decomposers and Food
Chains
Producers
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Plants
Use sunlight to make food
Get their energy from the sun
Consumers
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Animals that consume or eat
They eat other animals and/ or
They eat producers
1st Level Consumer - Herbivores
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Herbivores
Eat only producers
butterfly
grasshopper
mouse
bison
2nd Level Consumers - Carnivores
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Only eat other animals – consumers
They eat 1st Level consumers
snake
mouse
spider
3rd Level Consumers
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They eat 2nd Level consumers
hawk
bear
Omnivores
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Some animals eat both producers and
consumers
raccoon
grizzly bear
pig
And don’t forget HUMANS!
Food Chain
energy
flows to
energy
flows to
energy
flows to
grass
grasshopper
snake
Producer
1st Level
Consumer
2nd Level
Consumer
hawk
3rd Level
Consumer
Food Chain Sentences
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The grass gets its energy from the
sun
The grasshopper gets its energy from the
grass
The snake gets its energy from the
grasshopper
The hawk gets its energy from the
snake
Decomposers
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They are consumers
They break down the tissues
of dead organisms
They connect both ends of
the food chain
bacteria
mushrooms
vultures
maggots
earthworms