Evolution Of Shark Evolution

Today, 127 of them are dead. We need to resolve this issue: should killer whales be left to roam free in their natural habitat,or should they be held captive in marine parks? First, let’s take this into consideration. When we put orcas into captivity, we are taking a lot more away from them than we think. A killer whale in its natural habitat plays a big role in its life.

The story was an adaption of a true series of shark attacks that occurred along the Jersey shore in 1916. A year later, in 1975, Steven Spielberg created the blockbuster film, Jaws. The movie that changed everything for the shark. When the film was released, the world was in an absolute state of excitement and fear. People around the world refused to even step foot into the water.

The Great Hammerhead Shark There are many animals in the world that are endangered. One of them is the Great hammerhead shark . These sharks have flat, T-shaped heads that make them stand out from other sharks. They are long and flat in order to aid in the catching of prey. The eyes of these sharks are wide-set.

Jaws won 3 Academy Awards they were for editing, best original dramatic score, and another for best sound. Jaws had many production issues when it came to the building of the shark to be used on the set in Martha Vineyard. Jaws was edited around the shark actually and you don't see the shark until about halfway through the film. So, by not overusing the shark actually makes the film feel more realistic and a lot scarier. I know we

For years there has been a debate on who is the top predator in the ocean. Of course the shark is an easy choice but recently in the last couple years the killer whale has emerged as a challenge towards the Great White. The Killer whale is a worthy opponent towards the great white do to its bigger size and better and smarter hunting techniques. As history has shown great whites as dominant and scary they have been to the ocean as the apex predator they have been known to be the killer whales prey. When killer whales have attacked sharks they have turned the sharks upside down.

To illustrate, Dawn Brancheau was a trainer at SeaWorld and on February 24, 2010 she was dragged down into the water and mauled by Tilikum, a 12,000 pound killer whale who had a history of being aggressive (Cowperthwaite) . Tilikum was captured just at 2 years old. Many killer whales in the wild are not aggressive or hyperactive, so while being in captivity Tilikum adopted these traits thus causing the death of Dawn and many others. Similarly, throughout the years there have been numerous accounts of killer whale trainers being injured or killed (Halverstadt). The killer whales in captivity are very hostile, when the trainers get in the water it's a perfect opportunity for the whales to grab them and drag them down.

According to the Florida Museum of Natural History you are more likely to be killed by an alligator, lightning, a tornado, sand, do it yourself projects, or bicycling. Believe it or not, you are also 33 times more likely to be killed by a dog. 2. Attacks fall into two types: provoked and unprovoked.

Sharks TITANIC TEETH. The shortfin mako shark is the world’s fastest shark, speeding around at 31 mph. That’s faster than a killer whale or a bottlenose dolphin, which swim only 22mph. Amazingly, makos can project themselves 20 feet in the air above the water’s surface. Concerning their dietary needs, makos, because of their super speed, they can catch swordfish and tuna, which are both fast swimming fish, with teeth that are like spears.

The characters in these stories have faced hardships and have beaten those hardships back because they never gave up. Bethany Hamilton lost her arm because of a shark attack. She faced her fears and went back to surfing. Eleanor Roosevelt was unattractive child but she faced those pains, and turned her pain and unhappiness into strength. The mushers in Alaska, along with their dogs, had to face white-outs and ice-covered rivers.

Your response: I learned that certain unusual animals can reproduce on their own. If a zebra shark can reproduce without a male then other animals can do the same. Sharks laying eggs without a male isn’t unusual. Leonie was with a male shark at first before she started reproducing on her own. Zebra sharks can lay several eggs throughout their lives even if the male is present.

1. The morphological feature is the body size of a reptile Chlamydosaurus kingii also known as the frilled lizard. This is from the class Reptilia, order Squamata, family Agamidae and subfamily Amphibolurinae. The morphological trait is the body size used during bipedal motion as a secondary prey defense strategy.

How much do you really know about the hammerhead shark? Most people assume a shark is a shark, but there are many different types of sharks all with their own distinct qualities. However, the nine species of hammerhead sharks are easily identified by the unique shape of their head which resembles a hammer and is the origin of their name. Hammerheads are cold-blooded mammals that can grow up to 25 feet in length and weight as much as 1000 lbs.

Sharks are extraordinary creatures they are also the fiercest predators of the sea, but they weren’t always that way. Sharks have evolved in many ways to become the animal that is know today. Sharks have grown jaws and teeth like scales. Sharks used to be very small and not intimidating at all. Sharks about 370 million years ago were “four feet long and their mouth’s were on the bottom of their heads.