ocean habitat
DESCRIPTION
Ocean habitat. Ocean Zones and Conditions: - Abiotic Factors: the non-living factors of the environment that an organism lives in. - biotic Factors: the living organisms of the environment. - PowerPoint PPT PresentationTRANSCRIPT
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OCEAN HABITATA. Ocean Zones and Conditions:
- Abiotic Factors: the non-living factors of the environment that an organism lives in.
- biotic Factors: the living organisms of the environment.
- Ecosystem: A community of different but interdependent species and their non-living environment.
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OCEAN ZONES (PAGE 188)
1. Intertidal zone: the area that lies between the low-tide and the high-tide line.
2. Neritic zone: the first 200 meters of ocean water, which includes the seashore and most of the continental shelf.
3. Oceanic zone (open ocean): extends from 200 meters deep all the way down to the bottom of the ocean.
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PHYSICAL CONDITIONS
The ocean zone will determine the type of organisms that will be found there.
Fauna: animals Flora: plants
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LIFE IN THE OCEAN
Organisms are classified by where they live and how they move.
1. Plankton – algae likea) Diatoms: Microscopic algae with plate-like structures
composed of silica.b) Phytoplankton: the plant and algae components of the
plankton; the primary producers of most ocean food webs.c) Zooplankton: Animal component of the plankton that feed on
phytoplankton and other zooplankton (primary consumer).
2. Nekton: free-swimming organisms whose movements are independent of the tides, currents, and waves.
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LIFE IN THE OCEAN (CONT.)
3. benthos: organisms that live on or in the ocean floor.
4. Relationship among organisms: working together to as producers and consumers.
a) Consumers: feed on other organisms because they can not make their own food.
b) Producers: a living thing that produces its own food with itself, usually by using sunlight energy.
5. Ocean food web/chain: a hierarchy of food relationships from the simplest to most complex.
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