Ecology Basics Quiz

A population refers to:

• All living and nonliving things in an area

• All individuals of one species in an area

• Different species living together

• The total number of ecosystems on Earth

Which of the following is an abiotic factor?

• Tree

• Worm

• Sunlight

• Mushroom

Tags

NGSS.MS-LS2-3

Producers are organisms that:

• Eat other organisms

• Break down dead organisms

• Make their own food

• Feed on detritus

Tags

NGSS.MS-LS2-3

In a food chain, energy flows:

• From consumers to producers

• In a circle

• From producers to consumers

• Only to decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Only about ____% of energy is transferred from one trophic level to the next.

• 10%

• 25%

• 50%

• 100%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following shows the total mass of living matter at each trophic level?

• Pyramid of energy

• Pyramid of biomass

• Pyramid of numbers

• Pyramid of population

Chemosynthesis is used by organisms that:

• Live near hydrothermal vents

• Use sunlight for food

• Depend on other animals for energy

• Store energy as fat

Tags

NGSS.MS-LS2-3

A biome is best described as:

• A single population

• A group of similar ecosystems with the same climate

• A microscopic habitat

• A type of food web

The biosphere includes:

• Only land environments

• Only the ocean

• All parts of Earth where life exists

• Only the atmosphere

What is an ecosystem?

• A community of living and nonliving things interacting in an environment

• A group of animals living together

• A single plant in a garden

• A collection of rocks