1. Sea Turtles

2. TRIVIA TIME
There are 7 Species of sea turtles. How many are endangered?
What is the highest a turtle can weigh?
Hawksbill, a type of sea turtle, has had what percentage cut out of its total population in just 100 years?
True or false: You can tell a turtle’s age by their physical appearance.
What is the physical difference between male and female turtles?

4. Characteristics Large, streamlined shell Upper :Carapace
Lower: Plastron
Non retractable head and flippers
Hard plates : Scutes
Pale green to Black coloring
No Teeth, Varying Jaw
Vision and Smell
Theorized they can live over 100 years

5. Habitat
Live in almost every ocean basin, nesting on tropical and subtropical beaches

7. Diet
Sea grasses. Jellyfish. Crabs. Clams. Sponges. Depends on species.

8. Lifecycle

9. Females Lay eggs on Nesting Beach in Tropics
6 weeks to 2 months: Hatchlings come to surface and head to water.
Attracted by Horizon .
Time from first swim to the return towards coastal waters: A decade.
“The lost years”
Unknown
Dinner plate size: Appear at feeding ground in nearshore waters
Can take up to years until turtle ready to mate and reproduce
Males rarely return to Land.
Females return to beach where they were born to nest

10. Photopollution: Manmade light sources disrupt natural patterns of light and darkness.

11. Temperature-Dependent Sex Determination
-Temperature of sand around the egg affects how long the turtle needs to grow
-Determines sex of baby
-Rising climate due to global warming affects this egg development. Unbalanced proportions of males to females  

12. Reproduction rates are slow so difficult to recover
Possible Extinction
Poachers
meat, fat,
eggs,
and shells.
Entanglement
in fishing gear
Tourism
Ocean pollution
Reproduction rates are slow so difficult to recover

13. What can you do? -Don’t buy turtle food or souvenirs
-When visiting turtle beaches…
…follow the rules.
Do not touch or feed turtles
when diving or snorkeling
What can you do?

14. References
Frezzotti, Emmanuel. "Costa Rica Has a Sea Turtle Egg-Poaching Problem." Coastal Issues / Coastal Care. N.p., 21 May Web. 6 Feb < problem/>.
“Information About Sea Turtles.” Sea Turtle Conservancy Web. 6 Feb <
Johnson, Alex. "20,000 Endangered Sea Turtle Eggs Crushed in Trinidad." The Epoch Times. N.p., 16 July Web. 6 Feb < eggs-crushed-in-trinidad html>.
Leenders, Twan.  “Sea Turtles: Promises and Threats.” A Guide to Amphibians and Reptiles of Costa Rica. Zona Tropical, S.A, Miami, FL, Web. 6 Feb < seasons-map>.
"Sea Turtle Facts." Facts About Sea Turtles. See the Wild, Web. 6 Feb <
"15 Pictures – Sea Turtles." 15 Pictures. N.p., 13 Apr Web. 6 Feb <