Exploring Ecosystems and Their Components

What is an abiotic factor in an ecosystem?

• Plants

• Animals

• Water

• Bacteria

Tags

NGSS.MS-LS2-3

Which of the following is a biotic factor?

• Sunlight

• Temperature

• Soil

• Fungi

Tags

NGSS.MS-LS2-4

What is the correct order of levels of organization in ecology from smallest to largest?

• Organism, Population, Community, Ecosystem, Biosphere

• Population, Organism, Community, Ecosystem, Biosphere

• Community, Organism, Population, Ecosystem, Biosphere

• Ecosystem, Community, Population, Organism, Biosphere

Which of the following best describes a habitat?

• The role an organism plays in its environment

• The place where an organism lives

• The interactions between different species

• The energy flow in an ecosystem

What is a niche in an ecosystem?

• The physical space an organism occupies

• The specific role or function of an organism within its environment

• The group of organisms of the same species

• The abiotic factors affecting an organism

Identify an example of an abiotic factor affecting a biotic factor.

• A lion hunting a zebra

• A tree providing shade for a plant

• Rainfall influencing plant growth

• A bird building a nest in a tree

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-5

How do biotic factors interact in a community?

• By competing for resources

• By changing the weather

• By altering the soil composition

• By affecting the water cycle

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Explain how a change in an abiotic factor can impact an ecosystem.

• It can lead to the extinction of a species

• It can cause a change in the food web

• It can alter the habitat of organisms

• All of the above

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-3

Which level of organization includes both biotic and abiotic components?

• Organism

• Population

• Community

• Ecosystem

Tags

NGSS.MS-LS2-3

What is the primary difference between a habitat and a niche?

• A habitat is the role of an organism, while a niche is where it lives

• A habitat is where an organism lives, while a niche is its role in the environment

• A habitat includes only biotic factors, while a niche includes abiotic factors

• A habitat is temporary, while a niche is permanent