9.1 Components of an Ecosystem

What is the concept of interdependence in living organisms?

• Living things compete with each other for survival.

• Living things depend on each other for survival.

• Living things exist independently of each other.

• Different organisms do not affect each other's survival.

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What is the study of how organisms interact with each other and their environment called?

• Biology

• Zoology

• Ecology

• Geology

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What does the environment consist of?

• Only the living factors in an organism's surroundings

• Only the non-living factors in an organism's surroundings

• All the factors in an organism's surroundings that affect its survival

• The climate conditions only

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How is a habitat different from an environment?

• A habitat is a larger area than an environment

• A habitat includes only the non-living factors

• A habitat is simply where the organism lives

• A habitat can only be found in terrestrial ecosystems

What is an ecosystem?

• A system formed by a group of non-living things interacting with each other.

• A community of people living and working together.

• A system formed by a group of living things interacting with each other and their non-living surroundings.

• A single organism living in its natural habitat.

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What are the two main sets of factors that can affect organisms?

• Genetic factors and environmental factors

• Intrinsic factors and extrinsic factors

• Abiotic factors and biotic factors

• Chemical factors and physical factors

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Which of the following is an example of an abiotic factor?

• Predators

• Fire

• Parasites

• Collaborators

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Which of the following is an example of a biotic factor?

• Rainfall

• Sunlight

• Predators

• Fire

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How does temperature affect the speed of chemical reactions in the cells?

• Temperature does not affect the speed of chemical reactions.

• Heat decreases the speed of chemical reactions.

• Heat affects the speed of chemical reactions, increasing the rate as temperature rises.

• Heat affects the speed of chemical reactions, decreasing the rate as temperature rises.

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What term is used to describe animals that rely on environmental heat sources rather than generating heat internally?

• Endothermic

• Heterothermic

• Ectothermic

• Mesothermic