ecosystem

The original source of energy for a food web is...

• plants

• sun

• producers

• decomposers

Producers are ...

• plants

• able to do photosynthesis

• also called autotrophs

• all of these are true

Arrows in a food web represent...

• eating

• sunlight

• energy

• matter

Photosynthesis is important because...

• it makes carbon dioxide

• it makes food for the food webs

• it makes water

• it's not important

Who is the producer?

• lettuce

• greenfly

• ladybird

• thrush

An animal that hunts other animals for food is a ___________

• herbivore

• predator

• prey

• omnivore

What is a herbivore?

• an animal that gets energy from eating other animals

• an organism that gets energy from eating only plants

• an animal that gets energy by eating both plants and other animals

A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem

• food web

• environment

Which statement correctly describes the transfer of energy in a food chain in this wetland?

• Energy is transferred from hawks to shrews to grasshoppers to marsh grasses.

• Energy is transferred from marsh grasses to crickets to hawks to frogs.

• Energy is transferred from grasshoppers to crickets to frogs to hawks.

• Energy is transferred from cattails to crickets to shrews to hawks.

What is an ecosystem?

• All of the living things in area

• All of the living and nonliving things in an area and their interactions

• All of the non-living things in an area

• Only one specific type of organism in an area