Intro to Ecology

What does the term 'ecology' translate to?

• the study of:

  ecosystems

• the study of:

  home

• the study of:

  environmental relations

• the study of:

  life forms

Why is interdependence crucial for survival in ecosystems?

• It maintains ecological balance

• It promotes species diversity

• It ensures energy flow

• It reduces competition

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What is the largest ecological system known to us?

• Ecosphere

• Biosphere

• Ecosystem

• Community

What does a community in an ecosystem include?

• Neither living nor non-living factors

• Only non-living factors

• Only living organisms

• Both living and non-living factors

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What is the difference between a habitat and a niche?

• A habitat and a niche both refer to jobs within an ecosystem

• A habitat is a living place, a niche is a job

• A habitat is a job, a niche is a living place

• A habitat and a niche both refer to living places

What is the role of a generalist species in an ecosystem?

• To consume a variety of foods

• To produce oxygen

• To decompose organic material

• To consume only one type of food

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What could happen to a specialist species if its food source becomes unavailable?

• It migrates to a new habitat

• It becomes a generalist

• It may face extinction

• It adapts quickly

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What is the definition of ecology, according to the video?

• the study of:

  the relationships between organisms to one another AND to their physical environment

• the study of:

  the life on land

• the study of:

  relationships between people and animals

• the study of:

  the relationships between organisms and their physical environment

Why is Earth the only biosphere we study?

• Earth is the only place we can study with life on it.

• Only life on Earth matters.

• Earth follows special rules of the universe.

Does the community include non-living factors?

• yes

• no

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