Chapter 22 Note taking guide and Organizer

Name_____________________________

Information is found on pages 415-419 in your book.

Producers

_______________, which include plants and some kinds of protists and

bacteria, manufacture their own _____________.

Because __________________ capture ______________ and use it to

make _________________ molecules, they are called

____________________. Most producers are photosynthetic, so they use

solar energy to power the production of food.

Some autotrophic ______________ do not use _________________ as

an energy source.

These bacteria carry out ________________________, which means

they produce ______________________ by using energy from

___________________(non-living) molecules.

Producer-

Chemosynthesis-

Productivity

What factors affect how much biomass an ecosystem can produce?

In _________________ (land) biomes, ________________,

____________________ and _____________________are the key factors.

In ___________________ (water) biomes, _________________ and

availability of ____________________ are key factors.

Consumers

Biomass-

Consumers-

Herbivores-

Carnivores-

Omnivores-

Energy Flow

Whenever one ____________________ eats another, molecules are

metabolized and energy is ___________________.

One way to follow the pattern of ___________________ is to group

organisms in an _________________ based on how they obtain

____________________.

_____________________ are always on the first

____________________ level.

____________________ are on the second level and

______________________ on the third…etc.

Detritivore-

Decomposers-

Trophic level-

Food Chains and Food Webs

The bottom of _______________ diagrams is always the _______________.

There are always more ________________ than _________________.

Essential Questions

• Why are autotrophs essential components of an ecosystem?

• What role do decomposers play in an ecosystem? Why is this role important?

• How does a food chain differ from a food web?

• What would happen if you removed any organism from a food web or chain? Be specific!

Food chain-

Food web-