Middle school slide show for ecology unit. Sun as source of energy. Producers, consumers, decomposers, trophic levels. Loss of available energy from trophic level to trophic level.

1. Producers, Consumer
s, Decomposers
Its all about what you eat!

2. An organism is …..
 Any independent
living thing
 Can be as small as a
single celled bacteria
 Or as large as a
whale!

3. The three categories of the food
chain are…..
1) Producers
2) Consumers
3) Decomposers
They are all depend on each other.

4. Producers Are-
 Producers get their
food and energy
from the sun.
(PLANTS)
 They make their food
through a process called
photosynthesis.

6. Consumers
 Consumers need to
eat their food to get
energy. (ANIMALS)

7. Types of consumers are
 There are THREE
types of Consumers
Carnivores
Herbivores
Omnivores.
 Its still all about what
you eat!

8. Carnivores only eat meat (other
animals)

10. Herbivores eat only plants.

12. Omnivores eat both meat (animals)
and plants.

14. Stop…Review…Check…
Turn to your partner and tell them the meaning of each
word. Also give two examples of each.
 Carnivore:
 Herbivore:
 Omnivore:

15. Decomposers
 Decomposers eat
dead things and turn
them back into
dirt, or soil.
 Examples:
Mushrooms
Worms
Bugs

17. What would the world look like
without decomposers (bacteria and
fungi?

18. How they relate
.

19. Stop…Review…Check…
Turn to your partner and tell them the meaning of each
word. Also give two example of each.
 Producers:
 Consumers:
 Decomposers:

20. On a sheet of note book paper describe the following animals as either
a producer, consumer or decomposer. For the consumers, make sure
to include if they are a carnivore, herbivore or omnivore. Please use
complete sentences! (Ex: A _____ is a ______.)
1. Bear
2. Shark
3. Rabbit
4. Cherry tree
5. Mushroom
6. Human
7. Tulip (flower)
8. Panther
9. Giraffe
10. Worm