Dws Unit B, Chapter 2 Lesson 2

Front 1

______ are organisms that produce their food; usually plants

Back 1

producers

Front 2

______ are organisms that must eat to get the energy they need.

Back 2

consumers

Front 3

A __ ___ shows how the consumers in an ecosystem are connected to one another according to what they eat.

Back 3

food chain

Front 4

Energy produced by plants that is not used is stored in the __, ___ and ___.

Back 4

roots, stems and leaves

Front 5

At the base of the food chain is the _______.

Back 5

producers (plants)

Front 6

First-level consumers are called ____ because they eat the producers.

Back 6

herbivores

Front 7

Second-level consumers are called ___ because they eat the first-level consumers.

Back 7

carnivores

Front 8

___ such as mushrooms and bacteria are consumers that decompose the dead tissue of organisms.

Back 8

decomposers

Front 9

Producers use about ___% of the food energy they make during photosynthesis.

Back 9

90%

Front 10

Producers stored about ___% of the energy they make and this energy is transferred to the organisms that consume them.

Back 10

10%

Front 11

How much energy is lost from one level to another in the energy pyramid?

Back 11

90%

Front 12

An __ ____ shows the amount of energy available to pass from one level of a food chain to the next.

Back 12

energy pyramid

Front 13

Why does the energy pyramid become smaller as you go up the pyramid?

Back 13

Because the amount of energy is less as you go up; less energy means less organisms.