Ecological Organization

What is the correct order of ecological organization from the smallest to the largest unit?

• Community, Population, Organism, Ecosystem, Biosphere

• Organism, Population, Community, Ecosystem, Biosphere

• Ecosystem, Community, Population, Organism, Biosphere

• Biosphere, Ecosystem, Community, Population, Organism

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

• Ethology

• Ecology

• Entomology

• Epidemiology

Which of the following is the simplest level of ecological organization?

• Biomes

• Ecosystems

• Organisms

• Biosphere

What is the largest and most complex level of ecological organization?

• Ecosystems

• Biosphere

• Communities

• Populations

Which level of ecological organization directly encompasses communities?

• Organisms

• Ecosystems

• Biomes

• Biosphere

What is an organism in biological terms?

• A type of cell

• A group of ecosystems

• An individual living thing that carries out life functions

• A collection of organs

What defines a species?

• A group of organisms that live in the same area

• A collection of organisms that can interbreed and produce fertile offspring

• A type of organism that eats plants

• A classification based on color and size

What does the term "Population" refer to in biology?

• A group of different species living in the same area

• Members of the same species living in different areas

• Members of the same species living in the same area and interacting with each other

• A group of animals that do not interact with each other

What is a common characteristic of members within a population?

• They compete with different species

• They do not interact with each other

• They interbreed

• They live in isolation

What is a community in ecological terms?

• A group of the same species living in the same area

• A group of different species living and interacting in the same area

• A collection of ecosystems in a large area

• The physical environment of an area