1. Grade 9’s
read pages 10 – 13, questions page 13 #1,2,4

2. Producers and Consumers
Lesson 5
August 30th, 2010

3. Producers and Consumers
Producers (Autotrophs)
Organisms that carry out photosynthesis
Convert the suns energy into useable chemical energy
Plants, algae and some other organisms

4. Consumers (Heterotrophs)
Organisms that eat other organisms to obtain energy because they cannot produce their own energy.
Ended here

5. Consumers (Heterotrophs)
Trophic levels of consumers
Primary Consumer
Eat producers
Grasshoppers, Deer, Moose
Secondary Consumer
Eat Primary consumers
Robins, Small snakes, Frogs
Tertiary Consumers
Eat Secondary Consumers
Foxes, Wolves,

6. Consumers
Consumers can further be classified as to what type of tissues they eat
Herbivore
Only eat plant tissue
Deer, Moose
Carnivores
Eat mostly animal tissue
Wolves, Coyotes
Animals that hunt and kill other animals are called predators; the animals they kill are the prey.
An animal can be a predator to a smaller animal and prey to a larger one.

7. Consumers Carnivores Eat mostly animal tissue Wolves, Coyotes
Animals that hunt and kill other animals are called predators; the animals they kill are the prey.
An animal can be a predator to a smaller animal and prey to a larger one.

8. Consumers
Scavengers
Carnivores that eat the tissue of animals they did not kill
Vultures
Omnivores
Eat plant and animal tissue
Most humans, Bears, Racoons

9. Consumers
Decomposers
Special group of consumers that break down organic matter and release the nutrients back into the ecosystem.
They do not eat the organic material directly; they release enzymes which break it down which they then absorb.
Fungi and bacteria
Detritivore
Consumers that feed on Organic Matter
The remains of dead organisms and animal waste
Snails, worms, maggots.