The video tutorial explains the concept of ecology, focusing on the interactions between organisms and their environment. It introduces different levels of ecological organization, starting from individual organisms to populations, communities, ecosystems, and the biosphere. The tutorial highlights the importance of both biotic and abiotic factors in ecosystems and explains how these factors contribute to the complexity of ecological interactions. The biosphere is described as the largest level of organization, encompassing all ecosystems on Earth.

What does ecology primarily study?

• The physical environment only

• The interactions between organisms and their environment

• The classification of living things

• The evolution of species

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What is the term for a group of organisms of the same species living in the same area?

• Biosphere

• Community

• Ecosystem

• Population

According to Darwin, on what does evolution act?

• Ecosystems

• Populations

• Communities

• Individual organisms

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What term describes different species living together in the same area?

• Ecosystem

• Community

• Biosphere

• Population

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What does an ecosystem include?

• Both living organisms and their physical surroundings

• Only plants and animals

• Only non-living components

• Only living organisms

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Which of the following is a biotic factor?

• Sunlight

• Water

• Soil

• Predators

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Which of the following is an abiotic factor?

• Trees

• Prey

• Bodies of water

• Predators

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What is the biosphere?

• All the ecosystems on Earth

• A population of species

• A single ecosystem

• A community of organisms

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What is the largest level of ecological organization?

• Population

• Community

• Ecosystem

• Biosphere

What does the biosphere include?

• Only Earth's surface

• Only the oceans

• Only Earth's atmosphere

• Earth and its atmosphere