Ecological Levels of Organization

What is the smallest unit of ecological organization?

• Community interactions

• Population size

• Individual organism

• Ecosystem

Which level of organization includes all the living and nonliving factors in a particular area, such as a forest with its trees, animals, rocks, and weather?

• biosphere

• community

• population

• ecosystem

Tags

NGSS.MS-LS2-3

Imagine walking through a forest. What do you call the assembly of various animal species and plants living and interacting within this environment?

• society

• herd

• community

• population

Tags

NGSS.MS-LS2-2

Imagine you are an astronaut looking down at Earth from space. Which level of organization are you observing that includes all life on Earth?

• Atmosphere

• Hydrosphere

• Biosphere

• Lithosphere

What is the largest level of ecological organization?

• Community

• Ecosystem

• Population

• Biosphere

Observing a single turtle in its natural habitat to study its behavior and physiology focuses on which level of organization?

• ecosystem

• individual species

• community

• population

Imagine you are exploring the Amazon Rainforest, a vast region. What is this large geographic area with similar climate and organisms called?

• Biome

• Ecosystem

• Habitat

• Territory

Which level of organization includes all the oak trees in a particular forest?

• Population

• Ecosystem

• Community

• Cellular level

What is the study of the interactions between living organisms and their environment called?

• ecology

• biology

• geology

• chemistry

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is biodiversity?

• A form of renewable energy
• Variety of of animal and plant life in any environment

• The study of rocks and minerals
• A type of weather phenomenon

Tags

NGSS.MS-LS4-1