Ecosistema

Deserts, mountains, and rivers are all examples of ________.

• vacation spots

• tundra

• ecosystems

• wetlands

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

What is an ecosystem?

• A community of living organisms interacting with their physical environment

• A group of the same species living in an area

• A collection of different species living in different areas

• A single species living in isolation

Tags

NGSS.MS-LS2-3

Which of the following is a biotic component of an ecosystem?

• Water

• Sunlight

• Plants

• Rocks

What role do decomposers play in an ecosystem?

• They produce energy through photosynthesis

• They consume primary producers

• They break down dead organisms and recycle nutrients

• They compete with herbivores for food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following is an example of a freshwater ecosystem?

• Desert

• Coral reef

• Pond

• Savanna

What is the primary source of energy for most ecosystems?

• Wind

• Sunlight

• Water

• Soil

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a food chain, which organism is typically at the top?

• Herbivore

• Carnivore

• Producer

• Decomposer

Tags

NGSS.MS-LS2-3

What is biodiversity?

• The variety of life in a particular ecosystem

• The number of species in a food chain

• The amount of energy produced by plants

• The number of ecosystems in a region

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-1

Which of the following is a characteristic of a healthy ecosystem?

• Low biodiversity

• High biodiversity

• No predators

• No herbivores

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the role of producers in an ecosystem?

• To consume other organisms

• To decompose organic matter

• To produce energy through photosynthesis

• To compete with other producers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3