module 2.2

What is the most inclusive level of ecological organization?

• Population

• Community

• Biosphere/Ecosphere

• Ecosystem

Which term describes all the populations of different species in a specific area?

• Community

• Organism

• Biosphere

• Ecosystem

What is an ecosystem?

• A regulatory process within a system

• A community of organisms interacting with their environment

• A group of individuals of the same species

• An individual living being

What are emergent properties?

• An organizational structure

• New characteristics arising from lower-level interactions

• The capacity of a system to endure

• A set of interconnected components

What does a feedback mechanism do?

• Measures the sustainability of a system

• Describes the interactions of organisms

• Defines the hierarchy of biological organization

• Regulates the input based on output

What does hierarchy refer to in ecological terms?

• An organizational structure with different levels

• A community of organisms

• The capacity of a system to maintain functionality

• A group of individuals of the same species

What is an open system?

• A system that does not exchange matter

• A community of different species

• An individual living being

• A system that exchanges matter and energy

What defines an organism?

• An individual living being composed of cells

• A group of individuals of the same species

• A regulatory process within a system

• A community of interacting organisms

What is a population in ecological terms?

• All living organisms in an area

• An individual living being

• A community of different species

• A group of individuals of the same species

What does sustainability refer to?

• The organizational structure of ecosystems

• The regulatory processes within a system

• The capacity of a system to endure over time

• The interactions of organisms