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

Producers and Consumers Lesson 5 August 30th, 2010

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

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

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,

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.

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.

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

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.