8th Grade Science Oceans
Terms in this set (12)
Lower layer of ocean where light does not reach.
- A coastal inlet or bay where fresh water from rivers mixes with salty ocean water.
The hierarchy of feeding relationships within a habitat from simplest to most complex. A bird or bear usually connects the land and water food webs together.
A geyser on the seafloor which continually spews super-hot, mineral-rich water that supports a diverse communities of unique organisms.
An area that stretches from the highest high-tide line on land out to the point on the continental shelf exposed by the lowest tide
(includes coral reefs & kelp forests) - The area of the ocean that extends from the low-tide line out to the edge
Extends beyond the edge of the continental shelf all the way down to the bottom of the ocean. Includes the aphotic and photic zones.
The top layer of the ocean, up to 200 m deep, where sunlight penetrates
The process by which plants and some organisms capture energy from sunlight and use it to make food and oxygen is released as a by-product. (Ex. Algae and phytoplantkon)
Tiny algae and animals that float in water and are carried by currents. Zooplankton are animal-like and phytoplankton are plant-like. Phytoplankton produce over HALF of the world's oxygen supply!!
Respiration-The process by which organisms break down food in the presence of oxygen and carbon dioxide is released as a by-product. (Ex. A shark exhales CO2 into the water.)
The movement of cold, nutrient-rich water upward from the deep ocean that is caused by wind.
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