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Aquatic Ecosystems

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Theresa Kramer

on 2 May 2018

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Transcript of Aquatic Ecosystems

How can you compare the characteristics of several common ecosystems, relationship among their organisms, and describe how all of the organisms in an ecosystem are interconnected.
2 Types of Aquatic Ecosystems
1. Marine Ecosystems
2. Freshwater Ecosystems
Marine Ecosystems
Tide pools
Coral Reefs
Salt Marshes
The ocean is where salt water generally exists.
Intertidal Zone
The intertidal zone (tide pool) is at the edge of the ocean, where the waves break. Many organisms live here because sunlight can reach deep and the water is warm, making food abundant.
Freshwater Ecosystems
Aquatic Ecosystems
Essential Question
We will fill out our guided notes while going through prezi.
3 zones of the ocean
Intertidal zone
Near-shore zone
Open-ocean zone
Clams, periwinkles, barnacles, sea urchins, mussels, crabs, sea stars, sea anemones, sponges, jellyfish, fish, lobster, shrimp
Algae, sea lettuce,
Tide Pools
Near-shore zone
The near-shore zone extends from the intertidal zone to the area that is about 600 feet deep.
Coral Reef
zooplankton, dolphins, whales, sharks, fish, krill, porpoises, jellyfish, shrimp, and coral
sea grasses and kelp
Open-ocean zone
The open-ocean zone is deeper and covers the majority of the ocean.
Plankton float in the upper regions of the water.
Some organisms swim to the surface to find food or for air, while others live closer to the bottom.
zooplankton, many of
the ocean animals we know, including: fish, whales, sharks, squid, flying fish, turtles,
octopus, tubeworms
algae, and sea weeds

Tide pools form in zones of rocky shoreline where ocean and land
meet—strips of shore, sometimes only a few yards wide, where everything is covered and uncovered by tides each day.

Plants and animals are the same as
the intertidal zone of the ocean.
found in clear, tropical oceans.
form in waters from the surface to about 150 feet (45 meters) deep
need sunlight to survive.
The three types of reefs include:
fringing reefs
occur along shorelines of continents and islands and are commonly found in Hawaii and the Caribbean
barrier reefs
found farther offshore
series of low coral islands surrounding a central lagoon, frequently found in the
area where seawater mixes with freshwater.
Can be found along the coast.
As tide rises, saltwater comes into the estuary. Freshwater comes down the rivers and creeks and mixes with the saltwater (brackish water). This can make the estuary very salty.
They can even be saltier than the ocean!
birds, fish, shellfish,
crocodiles, marine mammals,
marine worms
pickle weed, salt grass,
sea grasses, seaweeds,
Salt Marsh
a habitat within an estuary.
found on every coast
frequently submerged by tides
contain a lot of decomposing plant material
have a sulfurous rotten-egg smell
fiddler, hermit, and stone crabs, snails, mussels, worms, fish, and shrimp
Salt bushes and grasses
surrounded by land.
ponds are usually more shallow
temperature of the water in a pond usually stays the same from top to bottom
different types of fish,
amphibians, ducks,
turtles, or beavers
Algae, ducktails,
water lilies, cattails
Wetlands are areas of standing water that support aquatic plants. Examples are marshes, swamps, and bogs.
Otters, minks, beavers, some fish, crayfish, shrimp, tadpoles, insect larvae, alligators, birds, insects, frogs
algae, floating plants, duckweed, cattails, grasses, shrubs, wildflowers
made up of any of body of water that is made of freshwater such as lakes, ponds, streams, and rivers.
cover roughly 20% of the Earth and are in various locations spread out all over the world. m
most consist of moving water and contain many types of fish
Let's visit an example of an Intertidal Zone!
Coral Reefs are the
rainforests of the ocean!
Stop at 4:20
The ocean
has layers??
Life in the estuary!
Salt Marsh wildlife
Lakes and Rivers
(During the dry season there may not be much freshwater flowing down the rivers. This can make the estuary very salty. Also, during the dry season water evaporates out of the estuary making it even more salty.)
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