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Third Grade (Grade 3) Biology Questions

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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 Botany
food making material in plant cells is called               chlorophyll              
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 Communities, Populations, and Ecosystems
There are         seven         major ecosystems.
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 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
Ducks fly south for the winter. This is an example of                .
  1. mimicry
  2. migration
  3. hibernation
  4. camouflage
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 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
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 Communities, Populations, and Ecosystems
An            ecosystem            is the living and nonliving things in an area that affect one another, like a pond.
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 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 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 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 Development and Reproduction
The sprouting of a seed is called                .
  1. farming
  2. germination
  3. agriculture
  4. planting
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