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Group 1
1. Andika Putra S
2. Andika Yoga P
3. Arfian Syawal A
4. Farrel Ray K
5. Januar Wahyu R
6. Ichsan Kurniawan
7. M. Daffa Ichsan
8. Riska Wegig P
9. Triaji Pangestu
CROCODILE
Physical Traits
Crocodile's diet
How do humans defend from crocodile's attack
How do crocodiles defend themselves
QUESTIONS
• Shape of the jaw:
crocodiles tend to have longer and
more pointed "V"-shaped noses.
Crocodile is still capable of exerting
massive biting power. Crocodile
jaws can be thought of as being
more generalised - ideal for a wide
variety of prey. (D)
• Placement of teeth:
In crocodiles, the upper jaw and lower jaw
are approximately the same width, and so
teeth in the lower jaw fit along the margin
of the upper jaw when the mouth is
closed. Therefore, the upper teeth
interlock with the lower teeth when the
mouth shuts. (B)
• Size: The largest crocodile species is the saltwater
crocodile, which can get to at least 17 or 18 feet - some
rare individuals exceeding 20 feet after many years.
• Crocodile’s diet
Crocodiles are indiscriminate carnivores. They will eat
a variety of prey animals including fish, birds, turtles,
cattle, buffalo and virtually any other animal they are
able to take down and devour. Human beings are not
exempted from their diet, particularly in Southeast
Asia and Africa, where hundreds of people fall prey to
saltwater and Nile crocodiles annually.
• How do crocodiles defend themselves
Crocodiles are apex predators, which means they
have no natural predators other than humans.
However, if it's attacked, a crocodile will use its tail
as a weapon. Of course, it could also bite its
attacker. Crocodiles have been known to bite down
with a force of more than 3,000 pounds per square
inch.
• How do Humans defend from crocodile’s attack
Fight back if you're attacked. If this occurs, just try to get
away from the crocodile as quickly as possible. In predatory
attacks, however, as well as in some defensive attacks, the
crocodile doesn't let go and will often try to drag a person into
the water or underwater. Crocodilians can stay underwater for
much longer than humans can, so the only hope of survival if
you're attacked in this manner is to fight back and get away.
Simply struggling and trying to pull free is usually futile and may
induce the animal to go into an underwater death roll, during
which an arm or leg stuck in the crocodile's mouth will likely be
ripped off. A purposeful, deliberate attack on the animal is
therefore a better option.
• These are steps to fight back
• Go for the eyes. The most vulnerable part of a
crocodile's body is its eyes. Try to hit or poke the
eyes with whatever you have handy: an oar, a
stick, or a knife. Even your hands can be
effective weapons if you can hit the crocodile's
eyes. A Florida teenager recently escaped an
crocodile that had dragged him into the water by
jamming his thumb into the crocodile's eye.
• Go for the nostrils or ears. While not as sensitive as the eyes, the
nostrils and ears can be effectively attacked. A hard blow or a cut to
either of these areas may cause the animal to release you. Many
people have been saved from a crocodile's jaws when other people
have hit the animal's snout with a pole or club.
• Go for the palatal valve. Crocodilians have a flap of tissue behind
the tongue that covers their throats when they submerge in water.
This flap prevents water from flowing into their throats and hence
prevents the crocodile from drowning when its mouth is open. If
your arm or leg is stuck in a crocodile's mouth, you may be able to
pry this valve down. Water will then flow into the crocodile's throat,
and crocodile will most likely let you go. Hard strikes to this valve
may also cause the crocodile to release you.
QUESTIONS
1. Crocodiles are apex predator, what does it mean?
2. Which part of crocodile’s body that used to attack their
prey?
3. What does underwater Death Roll means?
4. What is the most vulnerable part of crocodiles?
5. What tools should we use to poke crocodile’s eyes
when we fight back?
6. What are the steps to fight back when attacked by a
crocodile?
7. What is the biggest crocodile species?
8. How much is the crocodile’s bite power?
9. What is the function of the palatal valve?
10.What will happen if we pry the palatal valve down?

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Crocodile

  • 1. Group 1 1. Andika Putra S 2. Andika Yoga P 3. Arfian Syawal A 4. Farrel Ray K 5. Januar Wahyu R 6. Ichsan Kurniawan 7. M. Daffa Ichsan 8. Riska Wegig P 9. Triaji Pangestu
  • 2. CROCODILE Physical Traits Crocodile's diet How do humans defend from crocodile's attack How do crocodiles defend themselves QUESTIONS
  • 3. • Shape of the jaw: crocodiles tend to have longer and more pointed "V"-shaped noses. Crocodile is still capable of exerting massive biting power. Crocodile jaws can be thought of as being more generalised - ideal for a wide variety of prey. (D)
  • 4. • Placement of teeth: In crocodiles, the upper jaw and lower jaw are approximately the same width, and so teeth in the lower jaw fit along the margin of the upper jaw when the mouth is closed. Therefore, the upper teeth interlock with the lower teeth when the mouth shuts. (B)
  • 5. • Size: The largest crocodile species is the saltwater crocodile, which can get to at least 17 or 18 feet - some rare individuals exceeding 20 feet after many years.
  • 6. • Crocodile’s diet Crocodiles are indiscriminate carnivores. They will eat a variety of prey animals including fish, birds, turtles, cattle, buffalo and virtually any other animal they are able to take down and devour. Human beings are not exempted from their diet, particularly in Southeast Asia and Africa, where hundreds of people fall prey to saltwater and Nile crocodiles annually.
  • 7. • How do crocodiles defend themselves Crocodiles are apex predators, which means they have no natural predators other than humans. However, if it's attacked, a crocodile will use its tail as a weapon. Of course, it could also bite its attacker. Crocodiles have been known to bite down with a force of more than 3,000 pounds per square inch.
  • 8. • How do Humans defend from crocodile’s attack Fight back if you're attacked. If this occurs, just try to get away from the crocodile as quickly as possible. In predatory attacks, however, as well as in some defensive attacks, the crocodile doesn't let go and will often try to drag a person into the water or underwater. Crocodilians can stay underwater for much longer than humans can, so the only hope of survival if you're attacked in this manner is to fight back and get away. Simply struggling and trying to pull free is usually futile and may induce the animal to go into an underwater death roll, during which an arm or leg stuck in the crocodile's mouth will likely be ripped off. A purposeful, deliberate attack on the animal is therefore a better option.
  • 9. • These are steps to fight back • Go for the eyes. The most vulnerable part of a crocodile's body is its eyes. Try to hit or poke the eyes with whatever you have handy: an oar, a stick, or a knife. Even your hands can be effective weapons if you can hit the crocodile's eyes. A Florida teenager recently escaped an crocodile that had dragged him into the water by jamming his thumb into the crocodile's eye.
  • 10. • Go for the nostrils or ears. While not as sensitive as the eyes, the nostrils and ears can be effectively attacked. A hard blow or a cut to either of these areas may cause the animal to release you. Many people have been saved from a crocodile's jaws when other people have hit the animal's snout with a pole or club.
  • 11. • Go for the palatal valve. Crocodilians have a flap of tissue behind the tongue that covers their throats when they submerge in water. This flap prevents water from flowing into their throats and hence prevents the crocodile from drowning when its mouth is open. If your arm or leg is stuck in a crocodile's mouth, you may be able to pry this valve down. Water will then flow into the crocodile's throat, and crocodile will most likely let you go. Hard strikes to this valve may also cause the crocodile to release you.
  • 12.
  • 13. QUESTIONS 1. Crocodiles are apex predator, what does it mean?
  • 14. 2. Which part of crocodile’s body that used to attack their prey?
  • 15. 3. What does underwater Death Roll means?
  • 16. 4. What is the most vulnerable part of crocodiles?
  • 17. 5. What tools should we use to poke crocodile’s eyes when we fight back?
  • 18. 6. What are the steps to fight back when attacked by a crocodile?
  • 19. 7. What is the biggest crocodile species?
  • 20. 8. How much is the crocodile’s bite power?
  • 21. 9. What is the function of the palatal valve?
  • 22. 10.What will happen if we pry the palatal valve down?