The video tutorial introduces ecology, the study of interactions between living and non-living things. It begins with the concept of an organism, exemplified by a fox, and explains that a population is a group of the same organisms, like multiple foxes. A community is defined as multiple populations living together, such as foxes, rabbits, and trees. An ecosystem includes both living and non-living components, like sunlight and rocks. The video also covers competition within ecosystems, such as foxes and snakes competing for rabbits.

What defines an organism in ecology?

• A group of species

• A single living entity

• A non-living thing

• A community of animals

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NGSS.MS-LS2-1

Is the sun considered an organism?

• No, it's a population

• Yes, it supports life

• Yes, it's a living thing

• No, it's non-living

Can a single rabbit be considered a population?

• Yes, if it's in a community

• No, it needs more rabbits

• No, it's an ecosystem

• Yes, it's a population

What defines a population in ecology?

• All living things in an area

• A group of the same species

• A community of different species

• A single organism

What additional elements are found in a community compared to a population?

• Sunlight and water

• Non-living things

• Single species

• Multiple populations

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NGSS.MS-LS2-2

Which of the following is not a component of a community?

• Rocks and mountains

• Birds

• Plants

• Different animal populations

What is included in an ecosystem that is not in a community?

• Only living things

• Only animals

• Non-living elements

• Only plants

What is not included in an ecosystem?

• Buildings

• Animals

• Plants

• Water

What does competition in an ecosystem typically involve?

• Collaboration for resources

• Fighting for non-living things

• Struggle for survival resources

• Sharing habitats peacefully

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Which example illustrates competition for sunlight?

• Foxes and rabbits

• A big tree and a small plant

• Fish in a tank

• Birds and snakes