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Fourth Grade (Grade 4) Ecology Questions

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Grade 4 Communities, Populations, and Ecosystems
Suppose there are two ecosystems, A and B. Ecosystem A has moist soil, seeds, healthy communities, mild temperatures, and plenty of water. Ecosystem B has sandy and rocky soil, little or no water, no communities, and very hot temperatures. What is most likely to happen?
  1. Plants in A will be smaller and fewer than plants in B.
  2. Plants in B will be larger and more abundant.
  3. Plants in B will be likely to attract communities.
  4. Plants in A will be larger and more abundant.
Grade 4 Communities, Populations, and Ecosystems
A group of the same kind of individuals living in the same area is called a population.
  1. True
  2. False
Grade 4 Food Chains and Webs
Everyone in our class eats chicken, pig, cow, fish, turkey, and all sorts of other animals. Everyone in our class also eats plants such as salad and spinach. We also eat fruits and veggies such as apples, bananas, grapes, kiwi, potatoes, carrots, corn, and much more. The best description for humans is that we are
  1. herbivores.
  2. decomposers.
  3. omnivores.
  4. carnivores.
Grade 4 Biomes
What is another term for a prairie biome?
  1. taiga
  2. forest
  3. tundra
  4. grassland
Grade 4 Biotic and Abiotic
Which are examples of non-living things?
  1. chair, desk, window, dog
  2. dog, cat, frog, tree, wood
  3. plastic, cup, window, rock
  4. dinosaur, paper, pencil
Grade 4 Food Chains and Webs
A decomposer
  1. wants to put food away.
  2. puts food in a vacuole.
  3. makes food.
  4. breaks down wastes and the remains of other organisms.
Grade 4 Communities, Populations, and Ecosystems
A niche is a(n)
  1. community of animals.
  2. organism's special role in the environment.
  3. kind of habitat.
  4. part of the food web.
Grade 4 Food Chains and Webs
The steps in which organisms get the food they need to live is a
  1. food web.
  2. food chain.
  3. predator.
  4. prey.
Grade 4 Food Chains and Webs
The amount of energy in an energy flow pyramid                 as you move upwards.
  1. increases
  2. decreases
Grade 4 Biotic and Abiotic
A living thing will survive only
  1. where its needs are met.
  2. in the desert.
  3. in the shade.
  4. in a polar ecosystem.
Grade 4 Food Chains and Webs
The snake is a(n)
Pictograph - Snake
  1. carnivore.
  2. omnivore.
  3. herbivore.
  4. producer.
Grade 4 Food Chains and Webs
An animal that kills another animal for food is                .
  1. prey.
  2. a producer.
  3. a predator.
  4. a consumer.
Grade 4 Communities, Populations, and Ecosystems
What are the basic needs of organisms?
  1. water, food, haircuts, space, and air
  2. water, food, bed, pillow, and sleep
  3. water, food, habitat, space, and air
  4. water, food, habitat, sun, and air
Grade 4 Biotic and Abiotic
Which are nonliving things? (Select all that apply.)
  1. rock
  2. sand
  3. tree
  4. baby
  5. canoe
  6. water
  7. insect
  8. factory
Grade 4 Biomes
A rain forest and all the organisms that live there are a(n)
  1. population.
  2. ecosystem.
  3. community.
  4. habitat.
Grade 4 Food Chains and Webs
The top consumer in the food pyramid is the
  1. herbivore.
  2. omnivore.
  3. consumer.
  4. carnivore.
Grade 4 Communities, Populations, and Ecosystems
An area or place where an organism lives in an ecosystem is its
  1. habitat.
  2. ecosystem.
  3. niche.
Grade 4 Conservation and Biodiversity
What is one cause of endangered species?
  1. recycling
  2. planting trees
  3. habitat destruction
  4. throwing food from the car window
Grade 4 Food Chains and Webs
What travels through a food chain or web?
  1. energy
  2. helium
  3. carbon
  4. nitrogen
Grade 4 Communities, Populations, and Ecosystems
Living and nonliving things interact in an environment in a(n)
  1. food chain.
  2. ecosystem.
  3. food web.
  4. community.
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