Ecology and Environment

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Question 1

Which of the following best describes a biome?

  • A group of the same species in one area

  • A large region with a specific climate and distinct plant and animal life

  • The role an organism plays in its ecosystem

  • A food chain within an ecosystem

Discuss it

Question 2

What is the main source of energy for life on Earth?

  • Water

  • Oxygen

  • The Sun

  • Wind

Discuss it

Question 3

In a food web, which type of organism is always found at the base?

  • Primary consumers

  • Decomposers

  • Producers

  • Predators

Discuss it

Question 4

Which of the following is an abiotic factor in an ecosystem?

  • Trees

  • Soil temperature

  • Birds

  • Fungi

Discuss it

Question 5

What happens in an ecosystem if a top predator is removed?

  • Biodiversity increases

  • The food chain becomes stronger

  • Prey populations may increase uncontrollably

  • Nothing changes

Discuss it

Question 6

Which human activity is a major cause of global warming?

  • Reforestation

  • Solar energy use

  • Burning fossil fuels

  • Composting

Discuss it

Question 7

What does biodiversity refer to?

  • The number of predators in an area

  • The variety of species in an ecosystem

  • The food chain length

  • The number of trees in a forest

Discuss it

Question 8

Which cycle involves the processes of evaporation, condensation, and precipitation?

  • Carbon cycle

  • Nitrogen cycle

  • Water cycle

  • Oxygen cycle

Discuss it

Question 9

What is the primary role of decomposers in an ecosystem?

  • Produce oxygen

  • Break down dead organisms

  • Store solar energy

  • Hunt prey

Discuss it

Question 10

Which term refers to the gradual change in ecosystems over time?

  • Mutation

  • Succession

  • Extinction

  • Evolution

Discuss it
Tags:
Biology

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