Food Chains and Food Webs

Front

What is the main source of energy for all life on Earth?

Back

The Sun

Front

What is the relationship called where both organisms benefit?

Back

Mutualism

Front

Which symbols represent parasitism in a relationship?

Back

+,-

Front

What is missing from the food chain: Grass > Grasshopper > Bird > Snake?

Back

Decomposer

Front

What do the arrows in a food chain or web represent?

Back

They show what direction the energy is flowing between organisms.

Front

What is a producer in a food chain?

Back

An organism that makes its own food, usually through photosynthesis, like plants.

Front

What is a primary consumer?

Back

An organism that eats producers, such as herbivores like rabbits.

Front

What is a secondary consumer?

Back

An organism that eats primary consumers, such as carnivores like snakes.

Front

What is a decomposer?

Back

An organism that breaks down dead material and recycles nutrients back into the ecosystem.

Front

What is competition in an ecosystem?

Back

When two or more organisms compete for the same resources, like food or space.