Exploring Biotic and Abiotic Factors in Ecosystems

What does the term 'biosphere' refer to?

• All ecosystems on Earth

• The atmospheric layer of Earth

• All living organisms on Earth

• A single ecosystem

Which type of ecosystem is characterized by constant movement of water?

• Wetland ecosystems

• Estuaries

• Stream ecosystems

• Lake ecosystems

Tags

NGSS.MS-ESS2-4

Which ecosystems are known for having water cover the floor for part of the year?

• Estuaries

• Wetland ecosystems

• Tundra biomes

• Desert biomes

What are the two main categories that make up an ecosystem?

• Producers and Consumers

• Climate and Topography

• Biotic and Abiotic factors

• Autotrophs and Heterotrophs

Which factor is NOT an abiotic component of ecosystems?

• Sunlight

• Humidity

• Bacteria

• Temperature

What is the primary difference between weather and climate?

• Weather describes now, climate is the average over time

• Climate can be modified, weather cannot

• Weather is long-term, climate is short-term

• There is no significant difference

What is the significance of the greenhouse effect?

• It leads to global cooling

• It prevents any sunlight from reaching Earth

• It only affects the polar regions

• It keeps Earth warm enough to support life

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

What is the role of autotrophs in an ecosystem?

• They modify the environment

• They produce their own food

• They consume other organisms

• They decompose organic matter

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which process do chemosynthetic organisms rely on for food production?

• Photosynthesis

• Chemosynthesis

• Decomposition

• Heterotrophy

Which of the following is a primary consumer?

• A fox eating a rabbit

• A rabbit eating grass

• A shark eating a fish

• A lion eating a zebra

Tags

NGSS.MS-LS2-3