- How do organisms obtain energy?
- Autotroph-An organism capable of synthesizing its own food from inorganic substances, using light or chemical energy.
- Heterotroph-an organism deriving its nutritional requirements from complex organic substance
- Autotroph-An organism capable of synthesizing its own food from inorganic substances, using light or chemical energy.
- Decomposer-an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
- Tundra- Plant to Rabbits to Fox,
- Savannah- Plants to Zebra to Lions,
- Taiga, Tropical rainforest- Frogs to Snakes to Hawk,
- Desert- Insects to Lizard to Hawks
- Tundra- Plant to Rabbits to Fox,
- How does energy flow through an ecosystem?
- Organism Produce or Consume. "Food chains and food webs deal with both matter and energy. When ecologists want to focus only on energy, they use another type of model--an ecological pyramid."
- Numbers-Based on teh number of individuals at each trophic level , Biomass-Total amount of living tissue within a given trophic level, & Energy- Only 10% of energy avaiable within one trophic level