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Energy Flow
Ecological Pyramids
Feeding Relationships
Producers
Consumers
1. Energy (-10 % transfered to next level) 2. Biomass Pyramid (total amount of living tissue within a t.l) 3. Pyramid of Numbers (number of organism at each level)
organisms use chemical energy to produce carbohydrates.
use light energy ti power chemical reaction that convert water and carbon dioxide into oxygen
1. Herbivores ( plants) 2. Carnivores ( meat eater) 3. Omnivore ( plants and animals) 4. Detrivores (plants and dead matter) 5. Descomposers ( breaks down organic matter)
- each step in food chain - producer/ autotroph= 1st level
Food Web: links different food chains in an ecosystem
organism transfer energy by eating or being eaten
