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Third Grade (Grade 3) Biology Questions

You can create printable tests and worksheets from these Grade 3 Biology questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Grade 3 Communities, Populations, and Ecosystems
An organism is
  1. a nonliving thing
  2. an individual living thing
  3. an animal that eats fruit and meat
  4. none of the above
Grade 3 Microbiology
Germs are
  1. a yummy snack
  2. organisms that are so small they can only be seen by a microscope
  3. bugs
  4. a vegetable
Grade 3 Food Chains and Webs
Grade 3 Botany
What do plants need to survive?
  1. soil
  2. air
  3. sunlight
  4. water
  5. all of the above
  6. none of the above
Grade 3 Botany
Grade 3 Adaptations and Behavior
Thorns are an adaptation that
  1. helps the plant keep water inside the leaves.
  2. attracts pollinators.
  3. pokes animals that might try to eat the plant.
Grade 3 Food Chains and Webs
An herbivore is animal that
  1. only eats fruit.
  2. only eats meat.
  3. only eats plants.
  4. only eats plants and meats.
Grade 3 Adaptations and Behavior
A bad smell is an adaptation that
  1. keeps animals away or attracts pollinators.
  2. pokes animals that try to eat the plant.
  3. makes animals sick or itchy.
Grade 3 Development and Reproduction
Grade 3 Biomes
Caribou and polar bears live in which ecosystem?
  1. desert
  2. tundra
  3. grasslands
  4. tropical forest
Grade 3 Adaptations and Behavior
A nice smell is an adaptation that
  1. helps the plant keep water inside the leaves.
  2. pokes animals that try to eat the plant.
  3. attracts pollinators to the plant.
Grade 3 Adaptations and Behavior
Grade 3 Botany
Poison is an adaptation that
  1. makes animals sick or itchy.
  2. pollinates the plant.
  3. attracts pollinators to the plant.
Grade 3 Adaptations and Behavior
Grade 3 Adaptations and Behavior
An instinct is a behavior that animals
  1. copy.
  2. are born to do.
  3. teach each other.
  4. must learn so they can survive.
Grade 3 Development and Reproduction
Which of these things has a life cycle?
  1. Plants
  2. Animals
  3. Humans
  4. All of the above
Grade 3 Communities, Populations, and Ecosystems
Which of these is a good description of the HABITAT of an alligator?
  1. Alligators live in the desert
  2. Alligators live on the bottom of a pond and come on land when it is sunny and warm
  3. Alligators eat fish, birds, and other small animals
  4. Alligators have scales on their skin for protection
Grade 3 Botany
Which would most likely happen?
  1. A plant in total darkness will not grow.
  2. A plant in full sunlight will not grow.
  3. A plant with no water will grow.
  4. A plant with no soil will grow.
Grade 3 Botany
Animal Pollination will occur if the plant has a:
  1. strong scent, sweet nectar and dull flowers
  2. sweet nectar, strong scent and bright flowers
  3. bitter nectar, bright flowers and no scent
  4. sweet nectar, bright colors and no scent
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