Levels of Ecological Organization

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

Tags

NGSS.MS-LS2-4

A collection of organisms that make up a community as well as all of the nonliving components of the environment.

• Population

• Community

• Habitat

• Ecosystem

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

An ecosystem contains living and nonliving things.

• True
• False

Tags

NGSS.MS-LS2-3

Which of the following is a population?

• hawks, barred owls, and eagles on NC coast
• mountain stream
• all the frogs in a pond
• blue-tailed skinks (lizards) around a barn

Which of the following best describes a community?

• sharks, groupers, anemones and shrimp on a coral reef
• decorator crabs on the seafloor
• loggerhead sea turtles in Atlantic
• prairie grassland in Wyoming

Tags

NGSS.MS-LS2-2

Which of the following best illustrates a population?

• all the largemouth bass in Kerr Lake

• a freshwater marsh

• a oak-history hardwood forest

• all the honeybees, bald-faced hornets and western yellow jackets in a deciduous forest

Which of the following correctly shows the organization in an ecosystem, from the smallest to the largest level?

• A. Community, Ecosystem, Organism, Population

• B. Ecosystem, Community, Population, Organism

• C. Organism, Population, Community, Ecosystem

• D. Population, Community, Ecosystem, Organism

Which statement is true?

• A. An organism is part of a community.

• B. A community is part of a population.

• C. An ecosystem is made up of only organisms

Tags

NGSS.MS-LS2-2

Students construct a graphic organizer to illustrate the different levels of biological organization. Which term does the letter X represent in the graphic organizer?

• Ecosystem

• Cell

• Atom

• Organism

Which answer choice best describes a community?

• Praying mantises caring for their young.

• Three-spined sticklebacks living in estuaries.

• Different species of lizards occupying the same niche in a desert.

• Roosting mother bats recognizing their offspring.

Tags

NGSS.MS-LS2-2