Pyramids of Numbers and Biomass

Front

What is a pyramid of numbers?

Back

A graphical representation showing the number of individual organisms at each trophic level in an ecosystem.

Front

What is a pyramid of biomass?

Back

An ecological pyramid that shows the total mass of all living organisms at each trophic level of an ecosystem.

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food, typically through photosynthesis, such as plants.

Front

What is a primary consumer?

Back

An organism that eats producers; typically herbivores.

Front

What is a secondary consumer?

Back

An organism that eats primary consumers; typically carnivores or omnivores.

Front

What is a food chain?

Back

A linear sequence of organisms where each is eaten by the next in the chain.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is a trophic level?

Back

Each step in a food chain or food web, representing a different level of energy transfer.

Front

What is an inverted pyramid of numbers?

Back

A situation where a single producer supports a large number of consumers, resulting in fewer individuals at higher trophic levels.

Front

What are abiotic factors?

Back

Non-living chemical and physical parts of the environment that affect living organisms.