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35 Cards in this Set
- Front
- Back
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swimming animals are called...
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aquatic animals
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animals that can swim are called...
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nekton or nektonic animals
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animals that don't swim but scurry, crawl, hop, scoot, burrow or slither across the bottom of a body of water
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benthos or benthic animals
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benthic animals, like sponges, that stick themselves to one place and just sit there
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sessile
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animals that drift to an fro at the whim of the waters
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plankton
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plankton that use the sun to make their own food
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phytoplankton
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plankton that need to eat to get food
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zooplankton
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animals that clean up the oceans and rivers of the world by eating the microscopic creatures and debris that float about in the water
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filter feeders
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warm-blooded creatures that breathe air, give birth to live young that drink milk from their mother, have backbones and hair
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mammals
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cold-blooded creatures that have scales, breath air, lay eggs, and have a backbone
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reptiles
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cold-blooded creatures that breath air, lay eggs, have a back bone but DO NOT have scales
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amphibians
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the beginning of a river is called it's
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head
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the end of a river is called it's
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mouth
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currents formed on the surface of the ocean
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surface currents
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circular patterns formed by the surface currents of the ocean
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gyres
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deep ocean currents formed by both the temperature of the water and the amount of salt in it, causing the water to rise or sink
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thermohaline currents
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when the water comes way up onto the shore
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high tide
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when the water pulls way back exposing a lot of the beach
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low tide
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during a new moon or a full moon in all seasons, the high tide is higher than usual and the low tide is lower than usual. We call these...
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spring tides
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Depending on where the moon is compared to the sun, the sun's gravity can work "against" the moon's gravity, making the high tides lower and the low tides higher. When this happens, we say the earth is experiencing...
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neap (neep) tides
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Smaller than oceans, these waters are made up of salt water because they are connected to the oceans. We call these bodies of water...
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seas
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bodies of water that are not salty
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fresh water
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when fresh waters reach the ocean, they become salty, or...
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brackish
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these bodies of water are made up of fresh water on the move, water continually flows through them
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streams and rivers
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these fresh water habitats don't have the rushing current that rivers have, and are often dark and murky with the growth of plankton
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ponds and lakes
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the part of the continent that is under water
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continental shelf
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when you get to the end of the continental shelf, there is a drop off into the deep ocean below. This drop off is called the...
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continental slope
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one part near the very end of the drop-off which has a much more gentle slope is called the
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continental rise
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where the continental rise ends when it reaches the deep, dark ocean floor is called the...
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abyssal plain
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If you were to leave the continental shelf and dive deeper and deeper down the continental slope, you would leave what is known as the_______________, where it is well lit by the sun.
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sunlit zone
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the area deeper than the sunlit zone where few animals can live is called the...
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twilight zone
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long before you reach the bottom of the ocean, where it is darker than midnight because no light from the sun ever reaches down this deep into the ocean
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midnight zone
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the ability of animals to make their own light
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bioluminescence
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the pressure of the water pressing on you is called...
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water pressure
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large machines, sort of like space ships, that go under water instead of into space
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submersibles
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