Proposal for Dissection of a Male and Female Shark
For my project that I'm doing for biology , I'm doing a dissection. I'm going to be performing my project with Trevor Johnson , Tyler McCaskill, and Tom Shudt .The dissection that we decided to do was the dissection of a male and female shark.
We are doing a dissection on a shark because we want to learn about the shark anatomy and the way the sharks organs work to keep all the water out and still eat fish while they are swimming around in the ocean.We also want to know how the sharks skin is so resistant to cancer . We also wanted to know a little bit about the shark , so maybe if we decide to go into the field of Marine Biology we would have a little more knowledge on what the jobs in that field are like .I also thought that it would be interesting to dee a shark up close and in person because we either have to go to the ocean or to an aquarium just to see a shark.
When the word Shark comes to mind most people think of a monster that feeds on humans and is an enemy of all living beings. Contrary to popular belief less than 10 percent of sharks are known to attack humans unprovoked. Sharks are classified under the class of Chondrichthyes, which is fish that have characteristics of a skeleton made of cartilage, jaws, paired fins, and paired nostrils. The superorders are divided into two groups, which are Batoidea that have rays and their relatives and Selachii, which are sharks. Scientists have found isolated spines, teeth, and scales that appeared 350 to 400 million years ago in the Devonian Period known as "Age of Fishes". Most modern sharks have evolved 100 million years ago when dinosaurs lived on earth. (Matthews, 1989) Sharks have been known to inhabit tropical and temperate seas as well as some cold and polar seas. Migration of sharks is poorly understood due to not all species migrating. And in the species that do migrate the distance may be short or long and is based on availability of the food and environmental cycles. One American biologist Eugenie Clark is the world leader in shark study, she was the first person to learn how sharks behaved in captivity and how well sharks had the ability to understand.
Sharks have also been subjected to medical research, games and competitions, jewellery, souvenirs and cosmetics. We need to take into consideration that sharks play a vital role in the natural world that we live in. it is imperative that we look after these majestic creatures and ensure they remain protected. We need to be aware of the dangers of sharks, swim in protected areas where there are shark nets, and do not swim after dark in the sea (especially not alone) as the sea is the sharks home. Humans should also be wearing wet suits as protection in the ocean. The sea is where they live, they swim freely and they eat – they do not particularly target humans but rather prey on food that is available to them in their habitat.
Many say it is bad to dissect an animal of nature, and they are completely true, they’re helping animals in the studious way. Can also be dangerous to those veterinarians, hopefully they are secure. The practice of dissection the act of cutting into and examine a dead animal. It continues to sense as a prominent educational tool for touching. The treatment of animals destine for use in dissection and other educational purposes. It involves an inordinate amount suffering, stress, inhumane
The Brain plays a important role in our body, so in this lab we did a dissection of the sheep brain that is closer to the human brain. The steps we follow our teacher make every body couriose to learne about braine and see it structures before we remove the dura mater.We working in group lab and every body partecipation in the dissection of braine.
This image is what a majority of people believe to be the shark. They believe it to be the bloodthirsty sea monster that appears in countless works of literature and films, but science says otherwise. The classic picture painted by the minds of sailors returning from years at sea come from imagination and sharks’ violent methods of hunting and mating. Sharks fear humans as much as humans fear sharks, and most sharks, particularly the “man-eating” great whites, only bite humans because they mistake surfers for seals. In earlier times, the ocean was a source of mystery and adventur...
Sharks live in almost every part of the oceans, from coastal environments to deep-sea habitats. They also live in the warm waters of the tropics to the cold frigid waters of
The first step to this dissection is to get your rat. Then once you have your rat you will want to put it on its back with the rats belly facing up. With belly facing up you will make a shallow cut along the midline of the rat. This cut should only be deep enough to peel back the first layer of skin with the rats hair on it. Your cut will go to the mouth to just before the genitals.
In Labs 22 through 26, my lab partner and I were assigned a fetal pig to perform a dissection on in order to understand anatomy, the study of an organism’s structure1, and physiology, the study of the functions and activities of a living organism2. Throughout these labs, we studied the structure of the fetal pig and performed experiments to understand four system processes: digestion, cardiovascular, respiratory, and excretory. Dissecting an organism, physically moving and seeing the different portions of the organism, especially of a fetal pig, is very important. This helps in the understanding of the skeletal structure and what series of physical and chemical processes the mammalian species body performs in order to survive.
Mojetta wrote about prehistoric sharks, and the history of these creatures. According to Angelo Mojetta, author of Sharks, Cladoselache genus, one of the first prehistoric sharks, was buried in sediment that kept it preserved. Unlike other sharks, Cladoselache genus had a circle of tiny plates around it’s eyes for protection against it’s victim’s attempts to fight back. These sharks lived over 400 million years ago. Sharks of the past could mostly be identified by their teeth, because shark’s bodies are made of cartilage. Another shark that was focused on was called, Stethacanthus. This shark had a very unique look. Stethacanthus had a brush like decoration on the top of it’s head, and an extra fin like part that had the same bristle like decorations on it. These characteristics were thought to be used as suction cups, to hitch rides from larger fish. One of the most famous sharks that looks like an over...
The differences between these two species concerning appearance,diet,size and other important factors of the species lives are important to know in case of close encounter and need of survival. It is important to know what they look like so to know their special abilities so they will be easier to evade. Hammerhead sharks and bull sharks are very aggressive towards their prey and take over most oceans. These species are very important because if you want to study them for research,then you should know their normal personality traits for easier behavioral comparisons. The appearance and design of hammerhead and bull sharks are very different.
In 2015 only 59 shark attacks have occurred around the world compared to the millions of sharks killed by humans every year. Due to these accidental shark attacks people tend to think that sharks, especially Great Whites are evil creatures with malice intentions when attacks do occur; but, on the contrary that is wrong. Sharks are not the only beautiful and unique creatures in the ocean, they also play a vital role in our ecosystem; however, due to human interference they might not be around much longer, through awareness sharks can be protected from endangerment.
Most people think that sharks are large, fast-swimmers, and savage predators. This is true of some species and groups should be interested of the appealing aspects of biology found within it: all sharks have an excellent sense of smell; some can detect electrical discharges; some sharks give birth to one of the
Dissection in science classrooms is an experience that almost every student has to go through, but one that many will regret. It is estimated that six million vertebrate animals are dissected in high schools each year, and another 5.7 million are used in college laboratories. The issue of educational dissection has become a national concern. Many groups such as PETA and The Humane Society have been lobbying for years to outlaw such practices, and implement new and safe dissection alternatives. Alternatives to dissection have become more popular in recent decades and may be the future of modern science and education.
The morphology of whale sharks is mostly similar to aquatic fish species, but many specific traits help differentiate them from the rest. Whale sharks are the largest fish in the world and can reach a size of around 20 meters (Martins, C., and C. Knickle). This is often compared to the size of a school bus. The shark has a very large transverse mouth. They have 5 very large gill slits and have a larger first dorsal fin compared to the second one (Whale Shark). They have a distinctive spotted “checkerboard” pattern with stripes (Martins, C., and C. Knickle). It is not exactly known why they have this specific body marking. It is believed that the body markings act as a camouflage. The strange thing about whale sharks is that they have 300 rows of teeth that play no role in feeding (Martins, C., and C. Knickle).
Have you ever dissected a frog, or another kind of animal? What about an owl pellet? Dissections have helped millions of people in many ways. Instead of taking it away, we should let all children experience the once-in-a-lifetime opportunity called the classroom dissection. Dissections should be kept available for all students in any science class. It helps with a student’s future career choices, a student’s understanding of anatomy, and it’s better than a virtual dissection.
I had never seen the anatomical parts of an animal prior to this experience, so this was very interesting to me. It was an amazing hands on experience that many elementary students don’t get to