Tetrapod

Abstract The crucian carp is an actinopterygii fish which is known to possess a swim bladder and non-muscular lobed fins. These fishes are also known as ray finned fishes. The fish contains the organs responsible for the digestion, respiratory, circulatory and nervous system. In order to observe the internal organs of the fish, the fish firstly is euthanasiated with clove oil. The external anatomy of the fish has five fins; pectoral, pelvic, dorsal, anal and caudal fin, a cloaca is located right behind the anal fin and this is where the cut is made until the beginning of the head. The fillet is removed to expose the internal organs. The crucian carp anatomy is similar to that of the other vertebrates. The fish contains most of the internal organs except for the pneumatic sacs that act as lungs but instead possess a swim bladder. Keywords: internal anatomy, similar, organs, gills, swim bladder, digestive system Introduction The crucian carp fish is a freshwater fish that is classified under class Actinopterygii which contains fishes that are bony fishes that are ray finned. These fishes are known for not containing fins that are muscular lobed. The internal anatomy of these fishes are similar to the internal anatomy of other animals, including the fishes of class Sarcopterygii differing in a few organs. The internal anatomy of the carp fish comprises of these organs; spleen, liver, gall bladder, gill arches, brain and kidney tissues, swim bladder, heart, digestive tract…

The picture is showing the natures' magazine with a fossilized fish and a tagline that said "When Fins Became Limbs" on its cover. Assuming the content must be the relationship between the swimming fish and the early land-living animals. The magazine cover is Tiktaalik, and it is intermediate between fish and the primitive land-living animal (tetrapod). And the picture connection to the relevant chapter is that, the first chapter talks about how paleontologists try to find the fossil…

Chiroptera forelimb morphological evolution is what allows them the gift of flight, which is their forelimb main function. Their wings contain an altered tetrapod limb structure (Cooper and Tabin 2008). Changes include increasing membrane surface area between the digits and between the forelimb and flank (Cooper and Tabin 2008). In addition to a reduced bone thickness which decreases the bats weight (Cooper and Tabin 2008). Also a strengthen forelimb and increase in muscle mass of the forelimb,…

eptiles are very sneaky, some of them are I hope you enjoy. Snakes Snakes have very slippery scales. They are carnivores (meat eaters), they will even eat other snakes! They do not have eyelids so they never blink. Snakes have to swallow their prey whole and there jaws are very flexible so they will eat almost anything they can get their jaws on. Snakes are found on every continent in the world except Antarctica. Lizards Lizards can detach their tails if caught by a predator. Some can…

Respiratory systems vary from species to species but the basic anatomy for Serpentes suborder is straightforward. The average Serpentes respiratory system has two external nares, two internal nares, and a nasal cavity. While Serpentes have a nose, their nose is only meant to be another pathway for respiration. They are not used to smell like a human nose is used for. Serpentes have a glottis that is a vertical slit because it is always closed. The glottis is situated right behind the tongue and…

Snakes are lengthy, carnivorous reptiles without legs, protected with scales, have sharp fangs and venom inside it. There are numerous different types of snakes and these include king cobra, python, rattlesnake, and anaconda. Snakebites can be extremely lethal particularly because of their deadly venom. Every year, you will find around 7, 000 poisonous snake bites scenarios that are being documented in America. Apart from being deadly, snake bites may also result in allergic response and…

1. Differentiate between skin of fish and amphibia Fish (Scoliodon) Amphibia (Frog) *Skin is rough and tough which remains *Skin is smooth and loose which remain attached with the underlying muscles. separates from the underlying muscles by lymph . sac. …

Frogs and toads are known as Anurans. Anurans represent the most diverse, and widespread of the three existent amphibian species. Anurans can be found throughout the world. Frogs can be spotted in urban areas and gardens. However, it is rare for the anurans to be seen in polar regions, as well as some oceanic islands and extremely xeric deserts, but anuran diversity is greatest in the tropical areas (Heying, 2003). The reason why anura was used to conduct this experiment was because the human…

The Panamanian Golden Frog proves that size does not matter. The diminutive size was countered by potent defense, as the poison in just one of the frogs could kill about a thousand normal mice (Kolbert, 2014). In addition, their presence has transgressed the animal kingdom as it has left a remarkable impact on the town of El Valle de Antón in Panama. The Panamanian Golden Frog has become a cherished symbol synonymous in the area, as it is associated with good luck and fortune (Kolbert, 2014).…

The amazing things about turtles, salamanders, and Toads are that they have their own styles. There are similar species, and subspecies of turtles, salamanders, and toads. Also the habitats of the amphibians and reptiles are very interesting to now. When you see them, you should know them descriptor of the turtles and salamanders and also the toads to. Can’t forget the natural history of these amphibians and reptiles. We can't forget how they reproduce. Amphibians and reptiles of Monroe County…