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Credits

1. Tree Hugger

Predators/Enemies

2. 20 fun facts about sharks

3. Animals-mom.me

4. Even sharks got enemies-Shark attacks

Sharks

Defense mechanisms

In a physical confrontation, a shark defends itself by using a variety of tactics. Using a combination of powerful body slams and vicious bites, sharks are able to tear apart there enemies. Also, sharks have extremely useful adaptations for escaping situations. For example, instead of bones sharks have cartilage. Cartilage is a lot more flexible then bones, so they can easily make sharp turns.

Sharks are top predators but still have enemies. A big enemy the shark has is dolphins, with techniques like swimming towards the abdomen of the shark, smacking into it's tender area and causing the shark's delicate intestines to hemorrhage. Dolphins can also bump into the gills of the shark, which destroy it's ability to breath. But not just dolphins are enemies with sharks. If a shark try's to eat a porcupine fish, the fish will inflate itself inside the shark's jaws, preventing the flow of water inside the shark's gills.

By Eli Wolf

Threats

Shark diagram

It almost seems like everybody hates sharks. They become more and more extinct every single day due to fishing. Some people kill sharks just it is exciting or fun. Threats do things like make the shark starve to death, remove fins, or worse.

Behavioral Adaptations

Table of Contents

1. Survival status

2. Behavioral adaptations

3. Structural adaptations

4. Life cycle

5 .Diet

6. Reproduction

7. Habitat and range

8. Enemies

9. Defense mechanisms

10. Threats

11. Conservation

12.Credits

What's being done to protect sharks

Sharks hunt all day and night. They also migrate over great distances to feed and breed. This can take over entire ocean basins. While some shark species are solitary, others display social behavior at various levels.

Habbitat and Range

Survival status

Many things are being done to save sharks. Things such as people trying to educate the public about why sharks are important and are a big part if the food chain. Also, a lot of countries have been making an effort to slow down fishing. To add on, filmmakers have also been trying to educate the public with such programs as "Sharkwater" or the incredibly popular "Shark Week Programs." Overall, many things are being done to protect sharks.

Shark lifespan

While some species inhabit shallow, coastal regions, others live in deep waters, on the ocean floor and in the open ocean. Also some species, like the bull shark are even known to swim in salt, fresh, and blackish waters. The average shark lives 10,000 feet, but there are no sharks in deep oceans.

Structural Adaptations

1.

Sharks are endangered because of human fishing and sharks getting caught in fishing gear. The only reason why sharks attack people is because they are curious or confused. Sharks eat smaller fish, some species prey upon seals, and other marine animals. Sharks may seem evil, but when you read this prezi you'll realize why sharks are endangered and why they should be

protected.

Sharks can rapidly adapt to their environments. Instead of bones, sharks have cartilage. Cartilage bends more easily, so when catching prey sharks can make sharp turns easily. Also, sharks can swim between 20 and 30 miles per hour! And the fastest shark, the mako can swim at 60 miles per hour! Sharks also have white bellies (which is camouflage from enemies below because it blends in with the sky) and blue backs which blend in

with the water.

The average shark can live up to 20-30 years. Sharks like the spiny Dogfish can live more then 100 years.

Shark diet

Reproduction

Sharks are swift, sleek predators that eat fish, squid and other sharks, and marine animals. Some sharks have a very keen sense of smell, can feel vibrations, and have special eye adaptations so they they can see well at night. Sharks also have jaws and sharp teeth, allowing them to eat through meat and bones without any trouble at all. Due to there strong jaws, a shark can bite A LOT harder then humans when eating.

Unlike other animals, a shark's egg's are fertilized inside a female's body. The male has claspers, an extension of the pelvic fins that are used to transfer sperm to the female and fertilize her eggs. Most sharks give birth to live young, but some release eggs that hatch later.

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