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Eighth Grade (Grade 8) Ecology Questions

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Grade 8 Food Chains and Webs
In which direction does energy flow?
  1. producer to consumer
  2. consumer to producer
  3. both a and b
Grade 8 Food Chains and Webs
Grade 8 Communities, Populations, and Ecosystems
What is a biological indicator for an ecosystem?
  1. pH levels going up in a local pond
  2. turbidity levels going down in a river
  3. trout populations increasing in a local river
  4. soil nitrogen levels remaining steady
Grade 8 Biomes
Which is NOT a characteristic of a coniferous forest?
  1. It has thin leaves.
  2. It has cones.
  3. It stays green all year round.
  4. Its leaves change colors.
Grade 8 Biomes
Which biome receives the most precipitation?
  1. taiga
  2. rain forest
  3. tundra
  4. savanna
  5. desert
Grade 8 Communities, Populations, and Ecosystems
The larger a population gets, the faster it grows is called
  1. sample counts.
  2. exponential growth.
  3. limiting factor.
  4. carrying capacity.
Grade 8 Food Chains and Webs
A secondary consumer is a meat eater that eats
  1. primary consumers.
  2. tertiary consumers
  3. producers.
  4. secondary consumers.
Grade 8 Food Chains and Webs
What is a role of a decomposer?
  1. breaking down a dead tree branch
  2. eating mushrooms
  3. preying on field mice
  4. eating grass
Grade 8 Food Chains and Webs
Describe the amount of energy that is passed from a producer to a consumer.
  1. Consumers have more energy.
  2. Producers have more energy.
  3. The energy level stays the same.
  4. There is no energy passed.
Grade 8 Biotic and Abiotic
Grade 8 Communities, Populations, and Ecosystems
Grade 8 Biomes
In which biome does a tiger live?
  1. tundra
  2. taiga
  3. desert
  4. tropical rainforest
Grade 8 Food Chains and Webs
How is energy transferred though an ecosystem?
  1. There is no energy.
  2. It does not transfer.
  3. It ends at the top predator.
  4. It transfers in a continuous cycle.
Grade 8 Biomes
Deciduous forests have a                        than coniferous forests.
  1. colder winter
  2. longer growing season
  3. shorter growing season
  4. cooler summer
Grade 8 Food Chains and Webs
Which is most likely to be a secondary consumer?
  1. herbivore
  2. carnivore
  3. omnivore
  4. multivore
Grade 8 Food Chains and Webs
How is energy transferred though an ecosystem?
  1. There is no energy.
  2. It ends at a top predator.
  3. It transfers in a continuous cycle.
  4. It is transferred only in certain ecosystems.
Grade 8 Biomes
Which is a rain forest adaptation?
  1. fuzzy stems
  2. floating seeds
  3. slide-shaped leaves
  4. loss of leaves
Grade 8 Conservation and Biodiversity
Ecologists measure wildlife populations by                  .
  1. trap-mark-release
  2. biotic potential
  3. carrying capacity
  4. limiting factors
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