The Sunlight Zone http://www.morning-earth.org/graphicE/Biosphere/BENTHOS%20IMAGE/CORALWM/ Wcoral-reef.jpg
Feb 23, 2016
The Sunlight Zone
http://www.morning-earth.org/graphicE/Biosphere/BENTHOS%20IMAGE/CORALWM/Wcoral-reef.jpg
The Sunlight ZoneIs the “Top floor” in the Ocean The Average depth is 200 meters
It is the smallest ocean zone http://marinebio.org/Oceans/Open-Ocean.asp
Receives the most light out of all the Zones
Most of the Ocean life is found here
http://oceanservice.noaa.gov/education/yos/resource/JetStream/ocean/images/layersth.jpg
StarfishHas tube feet to walk with
There are thousands of species
Not all starfish have 5 armshttp://upload.wikimedia.org/wikipedia/commons/c/c8/Red- knobbed.starfish.arp.jpg
They can regenerate another arm if one is lost
Eat mussels, crustaceans, worms, starfish or sea urchins.
They mainly live in the Atlantic ocean
Whale Live in groups called
“herds”
Do not have gills; breathe through their “blowhole”
There are “toothless” whales
Whales eat plankton, fish and plants
Whales are social creatures
Audio of whales “talking”
http://pattisoriginals.files.wordpress.com/2009/06/killer20whales.jpg
StingrayStingrays tend to live in
warm coastal waters
Has a sharp point that is venomous
Use sand as camouflage
They eat clams, oysters, and mussels.
Stingrays have gills
http://leisureguy.files.wordpress.com/2006/10/stingray_big.jpg
DolphinDolphins are found all over the world
Dolphins' have a blowhole to breathe out of
Each dolphin has its own signature whistle http://www.brgps.edu.hk/content/b2/student/dolphin.JPG
Use echolocation to identify the objects around them
Can rest one side of their brain at a time
Use teamwork to catch a meal
ShrimpLive in tropical salt and
fresh waters
They feed on algae or smaller crustaceans
Live close to the bottom of the zone
WalrusEats various types of sea
animals such as shrimps, crabs, and soft coral.
Mainly inhabit Arctic waters around the world
Slows heartbeat down to endure the cold temperature
Pull themselves out of the water with their teeth
http://hotbiscuits.files.wordpress.com/2008/08/071008-walrus-04.jpg
SquidAre found all over the
world
Live in warm and cold waters and in fresh and salt waters
Feed on deep sea fish and other squid
Can grow up to 7 – 43 ft in length
http://biology.unm.edu/ccouncil/Biology_203/Images/Protostomes/squid.jpg
Sea TurtleInhabit all of the
world’s oceans except the arctic
Some only eat meat or plants and some eat both
There are seven species of sea turtles
Can hold their breathe for several hours
http://trekkingplanetawesome.files.wordpress.com/2009/10/hawksbill-sea-turtle.jpg
OctopusFound in tropical and
temperate watersFeed on crabs, crayfish,
and mollusks
Are fast swimmers and are intelligent
Can lose an arm and grow it back later
Spray a black ink as a defense and an attack
SharkAre found in every ocean
Over 400 species of shark
Sharks do not have scales
Its body structure is formed from cartilage, not bone
The biggest species of shark is the whale shark.
http://www.v7n.com/forums/attachments/forum-lobby/9428d1242310004-your-favorite-animal-whale-shark-aquarium.jpg
Crab Crabs are found in every
ocean
Feeds on algae, crustaceans, fungi, and bacteria
The teeth of a crab are inside its mouth
Its skeleton is on the outside of its body.
It is possible for a crab to grow its claw back
http://places.mongabay.com/south_america/DSC00767.jpg
JellyfishUse tentacles to catch prey
Jellyfish can be found in every ocean
Do not have a heart, bones, or a brain
Have been around longer than the dinosaurs
There are 350 known species of Jellyfish
http://www.pinktentacle.com/images/echizen_kurage_07_1.jpg
Life in the Sunlight ZoneThe Sunlight Zone - video