study pack #10
DESCRIPTION
Life in the Ocean. Study Pack #10. Today’s Goals…. I can describe the characteristics of ocean organisms I can distinguish among producers, consumers, and decomposers. Ocean Life. Plankton Nekton Bottom Dwellers. Plankton. Tiny organisms that float in ocean currents Examples: - PowerPoint PPT PresentationTRANSCRIPT
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Study Pack #10
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Today’s Goals…Today’s Goals…
I can describe the characteristics of ocean organisms
I can distinguish among producers, consumers, and decomposers
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Ocean LifeOcean Life
PlanktonNektonBottom Dwellers
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PlanktonPlankton
Tiny organisms that float in ocean currentsExamples:
– Eggs of ocean animals– Very young fish– Larval jelly fish and crabs– Tiny adults of some organisms– Page 389
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NektonNekton Animals that can actively swim Often feed on plankton Examples:
– Fish– Whales– Shrimp– Turtles– Squid– Page 390
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Bottom DwellersBottom Dwellers Live on the ocean bottom Can burrow into sediments, walk or
swim on bottom, or be attached to seafloor
Examples:– Anemones– Crabs– Corals– Snails– Starfish– Some fish
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Ocean EcosystemOcean Ecosystem
An ecosystem is a community of organisms and the nonliving factors that affect them– Sunlight, water, nutrients, sediments, gases
Every ecosystem has a:– Producers– Consumers– Decomposers
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ProducersProducers
Base of ecosystemOrganisms that can make their own food
– Photosynthesis– Chemosynthesis
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ConsumersConsumers
Organisms that eat producersDepend on producers for survivalGet energy from the producers
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DecomposersDecomposers
Digest producers and consumers when they die
Example: bacteria
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Food ChainsFood Chains
Energy is transferred from producers to consumers to decomposers through food chains