Habitats and Niches

What are the biotic components of an ecosystem?

• Rocks, water, soil, and sediment

• Temperature, weather, climate, and pollution

• Living organisms, remains of dead organisms, and waste

• Carbon, nitrogen, and oxygen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Which of the following is an abiotic component of an ecosystem?

• Carbon, oxygen, and nitrogen

• Plants, animals, and relationships between organisms

• Evaporation, precipitation, and transpiration

• Water, soil, and rocks

Tags

NGSS.MS-LS2-3

What is the major reservoir in the water cycle?

• Atmosphere

• Soil

• Oceans

• Plants

Tags

NGSS.MS-ESS2-4

What process moves carbon atoms from carbon dioxide to sugar molecules in plants?

• Cellular respiration

• Photosynthesis

• Burning of fossil fuels

• Transpiration

Tags

NGSS.MS-LS1-6

How do animals get the nitrogen they need?

• From precipitation

• From the atmosphere

• From eating plants

• From soil bacteria

Tags

NGSS.MS-LS2-3

What is the unique role that an organism plays in its environment called?

• Ecosystem

• Population

• Habitat

• Niche

What can cause extinctions in an ecosystem?

• Decrease in carbon dioxide levels

• Adaptation to new niches

• Increase in available water

• Shifts in abiotic components

Tags

NGSS.MS-LS2-4

What nonliving substance is essential for all ecosystems?

• Carbon dioxide

• Oxygen

• Nitrogen

• Water

Tags

NGSS.MS-LS2-3

What is the difference between an ecosystem and a habitat?

• Ecosystem includes abiotic components, habitat is the physical space where an organism lives

• Ecosystem includes biotic and abiotic components, habitat is the place where an organism lives

• Ecosystem includes energy transfer, habitat is the non-living environment

• Ecosystem includes living organisms, habitat is the unique role of an organism

What is the function of a niche in an ecosystem?

• To play a unique role in the environment

• To keep insect populations down

• To take energy from the sun

• To provide food for other organisms