The Ocean and Climate Change. The ocean is full of life Trillions and trillions of life forms.
8.2 life in the ocean
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Transcript of 8.2 life in the ocean
Life in the Ocean
Mr. SilvaAg Earth Science
Life in the Ocean
Mr. SilvaAg Earth Science
21.2 Life in the Ocean21.2 Life in the Ocean
1. Sunlight and Marine Lifea. Plant growth is restricted to the ocean
surface layer in order to get enough sunlight to sustain photosynthesis- 100m depth. - Plankton live at this depth as well
b. This is the tidal range or intertidal zone
1. Sunlight and Marine Lifea. Plant growth is restricted to the ocean
surface layer in order to get enough sunlight to sustain photosynthesis- 100m depth. - Plankton live at this depth as well
b. This is the tidal range or intertidal zone
21.2 Life in the Ocean21.2 Life in the Ocean
2.Ocean Environmentsa. Benthic zones: the bottom (land) area of
the oceani. Intertidal zoneLocated between the tidesincludes marine life attracted to sun
2.Ocean Environmentsa. Benthic zones: the bottom (land) area of
the oceani. Intertidal zoneLocated between the tidesincludes marine life attracted to sun
21.2 Life in the Ocean21.2 Life in the Ocean
ii.Sublittoral zoneLocated on the continental shelf Includes small “attached” organisms
ii.Sublittoral zoneLocated on the continental shelf Includes small “attached” organisms
21.2 Life in the Ocean21.2 Life in the Ocean
iii. Bathyal zoneCovers the continental slopeVery little plant life since there is no light
iii. Bathyal zoneCovers the continental slopeVery little plant life since there is no light
21.2 Life in the Ocean21.2 Life in the Ocean
iv. Abyssal zoneLocated along the abyssal plainsOrganisms live constantly in darkness
iv. Abyssal zoneLocated along the abyssal plainsOrganisms live constantly in darkness
21.2 Life in the Ocean21.2 Life in the Ocean
v. Hadal zoneConfined to ocean trenchesOrganisms depend on food to fall from above
v. Hadal zoneConfined to ocean trenchesOrganisms depend on food to fall from above
21.2 Life in the Ocean21.2 Life in the Ocean
b.Pelagic zones: the water area of the oceani. Neritic zone
•Located above the continental shelf
•Ideal area for all marine life
ii.Oceanic zone (four layers based on depth)•Epipelagic
•MesopelagicBathypelagicAbyssopelagic
b.Pelagic zones: the water area of the oceani. Neritic zone
•Located above the continental shelf
•Ideal area for all marine life
ii.Oceanic zone (four layers based on depth)•Epipelagic
•MesopelagicBathypelagicAbyssopelagic