Levels of Organization
Energy Flow
Feeding
Ecology
100
A group of individuals who belong to the same species.
What is a population?
100
This is the main source of energy on earth, providing the energy for photosynthesis.
What is sunlight or the Sun
100
This refers to organisms who make their own food. Also called producers.
What are autotrophs?
100
This is the study of interactions among organisms.
What is ecology?
200
Different populations of species living in the same area.
What is a community?
200
This is the process in which inorganic chemicals are broken down for energy.
What is chemosynthesis?
200
This refers to organisms who must eat to get energy. Also called consumers.
What are heterotrophs?
300
A collection of living organisms in an area along with their nonliving environment.
What is an ecosystem?
300
This describes a one way flow of energy in which organisms eating and then being eaten.
What is a food chain?
300
This refers to organisms who only eat meat?
What are carnivores?
400
A group of ecosystems that have the same climate.
What is a biome?
400
This is a network of interactions that show many possible ways for energy to flow through a community.
What is a food web
400
This refers to organisms who eat both meat and plants?
What are omnivores?
400
This refers to a factor, such has food or water, that limits the size of a population.
What is a limiting factor?
500
This is the area in which all life exists including land, water, and air.
What is the biosphere?
500
This shows the different steps in a food web. Levels include producers, primary consumers, secondary consumers, and tertiary consumers.
What are trophic levels?
500
This refers to organisms who feed on plant and animal remains. Examples include earthworms, snails, and crabs.
What are detritivores?
500
This is the role of an organism in an ecosystem.
What is niche?
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