Food Webs and Ecosystems

What is the producer in the picture above?

• grasshopper

• snake

• grass

• Sun

What is the decomposer in the picture above?

• grass

• fungus/mushrooms

• hawk

• frog

The model above is an example of a ..

• food web

• food chain

• habitat

• ecosystem

The model above is an example of a ...

• food chain

• food web

• habitat

• ecosystem

A model that shows one direct flow of energy from the Sun to decomposers in an ecosystem is called a

• food web

• food chain

• population

• community

A model that shows how all of the food chains in an ecosystem overlap and connect is called a

• community

• habitat

• food chain

• food web

What would harm this food web the most?

• the animals roaming about in this ecosystem

• rain

• pesticides being sprayed

What do decomposers do in a food chain?

• they are the first part of a food chain that feeds all of the other organisms

• they break down all other organisms to provide nutrients for the soil to help the producers

• they serve as food for the consumers

When a population of a living things becomes too numerous it is

• extinct

• overabundant

• scarce

When a population becomes too small or few in number due to natural or man made causes

• extinct

• scarce

• overabundant