Relationship in which two species live closely together
Types of Symbiosis
Mutualism, Commensalism, Parasitism and Predation
Both benefit and are dependent on each other
One benefits and the other is neither helped nor harmed
One benefits and the other is killed
The organism that is the hunter
The organism that is being hunted
One benefits and the other is harmed
Orgnaism that grows, feeds and is shelterd in or on a different organism while contributing nothing to the survival of its host
Internal parasite (Ex: Tape worm, round worm)
External parasite (Ex: Leech, tick, mosquitoe)
Series of organisms in which each eats or decomposes the preceding one
Complex network of many interconnected food chains and feeding relationships
All organism that are the smae number of energy transfers away from the original source of energy (Sunlight) that enters an ecosystem
The amound of usable energy entering one trophic level transferred to the organism at the next trophic level
Represent a transfer of energy
Example of Food Chain
Example of Food Web
Pyramid of Energy Flow
Diagram reprsenting the flow of energy through each trophic level
Biogeochemical cycle that collects, purifies and distributes the earth's supply of water from teh envrionment to living organism then back to the environment
Biogeochemical cycle that depends on photosynthesis and respiration
Biogeochemical cycle that relies heavily on bacteria
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