Chapter 3&4 Ecology Quiz

What percentage of energy is typically transferred from one trophic level to the next?

• 1%

• 10%

• 25%

• 50%

Tags

NGSS.MS-LS2-3

Choose ALL that apply: Which form of carbon is found in the atmosphere?

• CO₂

• CH₄

• CaCO₃

• Organic carbon

Tags

NGSS.HS-ESS2-6

Which bacteria convert nitrogen gas to ammonia in the nitrogen cycle?

• Nitrifying bacteria

• Denitrifying bacteria

• Nitrogen-fixing bacteria

• Ammonifying bacteria

Tags

NGSS.MS-LS2-3

What is the primary source of phosphorus in ecosystems?

• Atmosphere

• Rocks and soil minerals

• Fossil fuels

• Living organisms

What is the difference between weather and climate?

• Weather is short-term; climate is long-term.

• Climate includes only temperature, not precipitation.

• Weather affects ecosystems, but climate does not.

• Climate changes daily, while weather does not.

How do ocean currents influence climate?

• By transporting water vapor

• By transporting heat

Tags

NGSS.MS-ESS2-6

What is a niche?

• The physical environment where an organism lives

• The role and interactions of an organism within its environment

• A form of competition between species

• A region with unique climate characteristics

Tags

NGSS.MS-LS2-2

What is intraspecific competition?

• Competition between organisms of different species

• Competition within the same species

• A symbiotic relationship

• Predator-prey interaction

Tags

NGSS.MS-LS4-4

Which species is considered a keystone species?

• Any species that competes with others

• A species with minimal impact on an ecosystem

• A species whose decline can affect an entire ecosystem

• A species that occupies multiple niches

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is mutualism?

• One organism benefits, the other is harmed

• Both organisms benefit

• One organism benefits, the other is unaffected

• Both organisms are unaffected