Exploring Ecosystem Dynamics and Relationships

What is the term for the role an organism plays in its environment?

• Habitat

• Niche

• Biome

• Population

Which of the following is the correct order of trophic levels from lowest to highest?

• Secondary consumer, primary consumer, producer

• Producer, primary consumer, secondary consumer

• Primary consumer, producer, secondary consumer

• Secondary consumer, producer, primary consumer

Tags

NGSS.MS-LS2-3

What is the main source of energy for most ecosystems?

• Wind

• Sunlight

• Water

• Soil

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following best describes a biome?

• A group of organisms of the same species

• A large region characterized by a specific type of climate and certain types of plants and animals

• The role an organism plays in its environment

• The feeding level of an organism

What is the term for the feeding position of an organism in a food chain?

• Niche

• Trophic level

• Biome

• Habitat

Tags

NGSS.MS-LS2-3

Which of the following is an example of a mutualistic relationship?

• Lion hunting a zebra

• Bee pollinating a flower

• Tick feeding on a dog

• Hawk eating a mouse

Tags

NGSS.MS-LS2-2

Which level of organization includes all the living and nonliving things in a particular area?

• Population

• Community

• Ecosystem

• Organism

Tags

NGSS.MS-LS2-3

Which biome is characterized by very low temperatures and permafrost?

• Desert

• Tundra

• Rainforest

• Grassland

What is the primary function of decomposers in an ecosystem?

• Produce energy from sunlight

• Break down dead organisms and recycle nutrients

• Consume primary consumers

• Compete for resources

Tags

NGSS.MS-LS2-3

Which of the following best explains why energy decreases at higher trophic levels?

• Energy is created at each level

• Energy is lost as heat during metabolic processes

• Organisms at higher levels eat less

• There are more producers than consumers

Tags

NGSS.MS-LS2-3