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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 Botany
Food making material in plant cells is called               chlorophyll              .
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 Food Chains and Webs
A lion is a carnivore. What does a carnivore eat?
  1. plants
  2. animals
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 Botany
The parts of a plant the absorbs water are called
  1. roots
  2. leaves
  3. nutrients
  4. plants
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 Conservation and Biodiversity
Waste products that damage an ecosystem are called             pollution            .
Grade 3 Botany
To make their food, plants need energy from the       sun      .
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 Communities, Populations, and Ecosystems
There are         seven         major ecosystems.
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 Communities, Populations, and Ecosystems
An            ecosystem            is the living and nonliving things in an area that affect one another, like a pond.
Grade 3 Botany
A new plant grows from a        seed       .
Grade 3 Adaptations and Behavior
Ducks fly south for the winter. This is an example of                .
  1. mimicry
  2. migration
  3. hibernation
  4. camouflage
Grade 3 Botany
A pigment, or coloring matter, that helps plants use light energy to produce sugar is               chlorophyll              .
Grade 3 Botany
Leaves can help plants by
  1. holding the plant up
  2. keeping the plant from blowing away
  3. holding the plant in the soil
  4. balancing the water in the plant
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 Adaptations and Behavior
A polar bear sleeps all winter in a snow cave. This is an example of                .
  1. mimicry
  2. migration
  3. hibernation
  4. camouflage
Grade 3 Biomes
Caribou and polar bears live in which ecosystem?
  1. desert
  2. tundra
  3. grasslands
  4. tropical forest
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
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