Relationships in a Food WebPresentation Transcript
Relationships in a Food Web I. How do organisms depend on one another?
Producer - makes its own food
1. Most all plants
Consumers - must find its own food
1. All animals
Decomposers – organisms that break down dead and decaying matter
1. worms, fungi
II. How can we classify all consumers? A. Herbivore: Eats only plants, fruits, seeds Deer, squirrel, prairie dogs B. Carnivore: Eats meat only Snake, owl, wolf, shark C. Omnivore: Predators and their prey Eat both plants and meat Humans, bears,
III. What is a food chain? A. A path by which energy passes from one living thing to another 2. Producer- plant 1. Energy source- sun 3. Consumer- herbivore- mouse 4.Consumer- carnivore- wolf 5. Decomposer – break down dead wolf into soil for plant 1 2 3. 4 5 Food Chain Game Food Chain Game
IV. What is a food web?
Food chains that overlap
Shows how all the animals in a community get their food
What is an energy pyramid?
A. Energy pyramid- shows the amount of energy at each level of a food web