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Third Grade (Grade 3) Ecology Questions

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Grade 3 Biomes
Comparing swamps and marshes, both have
  1. whales.
  2. sharks.
  3. bears.
  4. water.
Grade 3 Food Chains and Webs
An organism that eats other organisms is called a(n)
  1. producer.
  2. consumer.
  3. decomposer.
  4. omnivore.
Grade 3 Biomes
A type of forest that is hot and wet all year and has more types of living things than anywhere else on Earth is a                 forest.
  1. coastal
  2. coniferous
  3. deciduous
  4. tropical rain
Grade 3 Food Chains and Webs
Fungus on a tree is a producer.
  1. True
  2. False
Grade 3 Food Chains and Webs
The table shows what types of food three kinds of animals eat.

AnimalEat PlantsEat Animals
LionNoYes
SkunkYesYes
CowYesNo

Which animal is an herbivore?
  1. lion
  2. skunk
  3. cow
Grade 3 Conservation and Biodiversity
Why should man not kill animals for personal profit?
  1. The animals can become extinct.
  2. Killing could destroy a food chain.
  3. both a and b
Grade 3 Food Chains and Webs
An organism that breaks down dead plant and animal material is called a
  1. producer.
  2. consumer.
  3. carnivore.
  4. decomposer.
Grade 3 Biotic and Abiotic
Which list has only nonliving things?
  1. grasshopper, toad, snake
  2. grass, mushroom, tree
  3. sunlight, water, soil
Grade 3 Biomes
This biome is where salt and fresh waters meet.
  1. estuary (brackish water)
  2. pond
  3. taiga
  4. ice water
Grade 3 Food Chains and Webs
Omnivores eat plants and animals.
  1. True
  2. False
Grade 3 Biotic and Abiotic
Living things need food, water, oxygen, and space.
  1. True
  2. False
Grade 3 Biomes
It is very hot in the tundra.
  1. True
  2. False
Grade 3 Food Chains and Webs
Which organism is a producer?
  1. grass
  2. hawk
  3. worm
  4. zebra
Grade 3 Food Chains and Webs
The table shows what types of food three kinds of animals eat.

AnimalEat PlantsEat Animals
LionNoYes
SkunkYesYes
CowYesNo

Which animal is a carnivore?
  1. lion
  2. skunk
  3. cow
Grade 3 Biomes
Which thing is biotic?
  1. rock
  2. dog
Grade 3 Conservation and Biodiversity
To keep alive or in existence is to
  1. dig.
  2. fossilize.
  3. preserve.
Grade 3 Biomes
The                 habitat has a name that means "rolling foothills."
  1. swamp
  2. mountain
  3. coastal plains
  4. piedmont
Grade 3 Food Chains and Webs
The basket contains
Fall - Harvest - Small
  1. decomposers.
  2. consumers.
  3. producers.
Grade 3 Biomes
Can polar bears live in the desert?
  1. yes
  2. no
Grade 3 Biomes
A type of forest that grows in cold temperatures, where the trees have needle-like leaves, such as Christmas trees, is a                 forest.
  1. coastal
  2. coniferous
  3. deciduous
  4. tropical rain
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