Ecosystem Quiz

What is an ecosystem?

• A group of stars in the galaxy

• A community of living organisms and their environment

• A type of weather pattern

• A mathematical model

Tags

NGSS.MS-LS2-3

Which term describes the maximum population size an environment can sustain?

• Birth rate

• Carrying capacity

• Immigration

• Biomass

What is logistic growth?

• Growth that occurs in a straight line

• Growth that accelerates rapidly

• Growth that slows as it reaches carrying capacity

• Growth that decreases over time

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-2

Which of the following is a pioneer species?

• Oak tree

• Lichen

• Pine tree

• Maple tree

What is the primary difference between primary and secondary succession?

• Primary succession occurs in an area with soil, secondary does not

• Primary succession occurs in a lifeless area, secondary in a disturbed area

• Primary succession involves animals, secondary involves plants

• Primary succession is faster than secondary succession

What is the role of invasive species in an ecosystem?

• They always benefit the ecosystem

• They have no impact on the ecosystem

• They can disrupt the balance of the ecosystem

• They are always harmful to the ecosystem

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the definition of biomass?

• The total mass of organisms in a given area

• The mass of non-living matter in an area

• The mass of water in an ecosystem

• The mass of air in the atmosphere

Tags

NGSS.MS-LS2-3

What is the difference between organic and inorganic carbon?

• Organic carbon is found in rocks, inorganic in living organisms

• Organic carbon is found in living organisms, inorganic in rocks

• Organic carbon is a gas, inorganic is a solid

• Organic carbon is a liquid, inorganic is a gas

What is a biogeochemical cycle?

• A cycle involving only water

• A cycle involving the movement of chemical elements through living and non-living parts of an ecosystem

• A cycle involving only air

• A cycle involving only soil

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the main cause of climate change?

• Natural disasters

• Human activities increasing greenhouse gases

• Changes in Earth's orbit

• Volcanic eruptions

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5