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Third Grade (Grade 3) Ecology 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 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 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 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 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
Grade 3 Biotic and Abiotic
Which word best completes the sentence?
Sunlight, water, soil, and climate are the                 parts of an ecosystem.
  1. living
  2. growing
  3. nonliving
  4. interacting
Grade 3 Biotic and Abiotic
                is the pattern of weather in a place over a long time.
  1. Climate
  2. Soil
  3. Weather
  4. Ecosystem
Grade 3 Biomes
Grasshoppers and bison live in which type of ecosystem?
  1. desert
  2. tundra
  3. grasslands
  4. tropical forest
Grade 3 Biomes
A                        tropical rain forest                       is a forest growing in a hot, rainy place.
Grade 3 Biomes
        Lions        ,            Cheetahs           ,         Zebra        ,             Antelopes            , and           Giraffe           are examples of animals that live in grasslands.
Grade 3 Biomes
Snakes, coyotes, and cactus live in the desert.
  1. True
  2. False
Grade 3 Biomes
A           desert          is an area that gets very little rainfall.
Grade 3 Biomes
A         cactus          is a type of plant that would probably not be found in a deciduous forest.
Grade 3 Food Chains and Webs
What is a carnivore?
  1. an animal that eats meat
  2. an animal that eats plants
  3. an animal that eats everything
  4. an animal that eats fruit and meat
Grade 3 Communities, Populations, and Ecosystems
Everything that surrounds and affects a living thing is called its               .
  1. home
  2. community
  3. ecosystem
  4. environment
Grade 3 Biomes
Which answer has the correct order from top to bottom of layers in the rainforest?
  1. forest floor, understory, canopy, emergent layer
  2. canopy, emergent layer, forest floor, understory
  3. understory, forest floor, emergent layer, canopy
  4. emergent layer, canopy, understory, forest floor
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