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Third Grade (Grade 3) Biology Questions

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Grade 3 Food Chains and Webs
When a living thing dies it DECOMPOSES and rots away. What does DECOMPOSE mean?
  1. to grow bigger
  2. to break down
  3. to survive
  4. to study closely
Grade 3 Adaptations and Behavior
Which would be a defensive adaptation for an animal?
  1. having fins
  2. having feathers
  3. being poisonous
  4. being darker in color
Grade 3 Zoology
Animals without backbones are called
  1. reptiles.
  2. vertebrates.
  3. amphibians.
  4. invertebrates.
Grade 3 Biomes
A desert is a                 ecosystem.
  1. very wet
  2. very dry
  3. cold and wet
  4. hot and dry
Grade 3 Food Chains and Webs
A rabbit is a
  1. consumer.
  2. producer.
  3. decomposer.
Grade 3 Food Chains and Webs
A cow is a herbivore. What does a herbivore eat?
  1. plants
  2. animals
Grade 3 Communities, Populations, and Ecosystems
The number of a group of the same kind of living things that live in the same place is called a(n)
  1. habitat.
  2. population.
  3. ecosystem.
  4. community.
Grade 3 Biomes
A large area of the world that has a unique climate and specific types of plants and animals is called a
  1. biome.
  2. vegetation.
  3. natural resource.
  4. weather pattern.
Grade 3 Conservation and Biodiversity
Species that are in danger of going extinct are called
  1. endangered.
  2. threatened.
  3. fossilized.
Grade 3 Zoology
A tree frog is green and can hide in the trees. This adaptation is an example of
  1. instinct.
  2. mimicry.
  3. hibernation.
  4. camouflage.
Grade 3 Evolution
To survive, a species must
  1. hide.
  2. adapt.
  3. jump.
Grade 3 Botany
To make their food, plants need energy from the
  1. air.
  2. Sun.
  3. soil.
  4. water.
Grade 3 Communities, Populations, and Ecosystems
Some animals need to build or find                 to protect them.
  1. rocks
  2. trees
  3. shelter
  4. air
Grade 3 Communities, Populations, and Ecosystems
A place where living and nonliving things interact, such as forests and deserts is called a(n)
  1. ecosystem.
  2. population.
  3. community.
  4. habitat.
Grade 3 Zoology
Which animals are found in swamps?
  1. crabs, mussels, muskrats, and egrets
  2. turtles, whales, lobsters, and shrimp
  3. loggerhead turtles, pelicans, and crabs
  4. frogs, cranes, alligators, and turtles
Grade 3 Conservation and Biodiversity
When a plant or animal organism is gone forever it is
  1. extinct.
  2. endangered.
  3. threatened.
  4. fossilized.
Grade 3 Evolution
A(n)                 is something that helps any living thing survive in its environment.
  1. ecosystem
  2. adaptation
  3. physical change
  4. camouflage
Grade 3 Taxonomy
What do sea jellies, earthworms, and spiders have in common?
  1. They all have 8 legs.
  2. They all have stinging body parts.
  3. They all have a backbone.
  4. They all lack a backbone.
Grade 3 Communities, Populations, and Ecosystems
A habitat gives a living thing everything necessary to survive.
  1. True
  2. False
Grade 3 Botany
The parts of a plant that absorb water are called
  1. roots.
  2. leaves.
  3. nutrients.
  4. plants.
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