Remember Ecosystem, Habitat and Niche? Ecosystem – group of communities interacting with each...
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Remember Ecosystem, Habitat and Niche? Ecosystem – group of communities interacting with each other and the nonliving parts of their environment Habitat – Place where an organism lives Niche – organisms role or job, in its habitat, often associated
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Transcript of Remember Ecosystem, Habitat and Niche? Ecosystem – group of communities interacting with each...
Remember Ecosystem, Habitat and Niche?
Ecosystem – group of communities interacting with each other and the nonliving parts of their
environment Habitat – Place where an organism
lives Niche – organisms role or job, in its habitat, often associated with what
it eats.
How do organisms interact with their environment?
Producers and Consumers
• Producers make their own food usually by a process called photosynthesis.
• Consumers obtain food by eating other organisms
Food ChainProducer
Primary consumer
Secondary Consumer
At each level, only about 10 % of the energy that is produced is passed on
Trophic Levels
TertiaryConsumer
Secondary Consumer
Primary Consumer
Producer
In each link of the food chain, only 10% of the energy in the food is transferred to the next level!!
What happens to the
Other 90%?
Energy is lost in heat and carrying out life
processes
Food Chain
Sun
Grass
Deer
Wolf
Food WebOrganisms can eat more than one thing
Arrows point to where the energy is going!
