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In the future, I think that the whale species will continue to grow larger to eat larger marine animals to have a higher variety of what they can eat. Based on the fact that over the years the whale had lost its hind flippers, I think they will continue to have their two front flippers, and the fin on top of their body. I think the whales will continue to live in aquatic areas, and depending on the species either live in the colder or warmer areas. I think the whale will not be able to transform back into a land animal like it once was. I think the whale will continue to grow sharper teeth to keep up with the new animals that it has to eat, as it had throughout its entire evolution. In conclusion, I think we will continue to see the changes that we saw throughout the whale's evolution. These changes will suit the whale's need to survive.

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Description: The Odontocetes, just like the Mysticetes, is currently alive, and has been around since around 30 million years ago. The Odontocetes have a wide tail, two flippers, and one fin. The Odontocetes do not have hind flippers like their ancestors do. The Odontocetes can grow up to 40 to 60 feet long. Its diet consists of fish and other marine animals.

Environment: The Odontocetes live in the shallow freshwaters of the Asian and South American river systems.

Adaptations: The adaptations that the Odontocetes have ranged from having two defined fins, and not four. It has a very defined fin on top of its head, and a long streamlined body that is meant for aquatic living.

Natural Selection: Natural Selection in the Odontocetes shows that the blow hole was beneficial, and so it stayed on the body. It also shows that no hind flippers, a fin, and a wide tail were all beneficial, and so they adapted to fit the animals body better.

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Description: The Mysticetes, or also know as the Baleen Whale, is one of the speices of whales that is currently alive. The Mysticetes has fins, a shorter more defined tale, and flippers. The Mysticetes reaches many different lengths; it can be anywhere from 20 feet long to 102 feet long. The diet of the Mysticetes consists of fish and other marine animals.

Environment: The Mysticetes mainly lives in cold areas such as the Arctic and Antarctica, but they are found worldwide.

Adaptations: Adaptations that The Mysticetes has range from now living in colder climates, and having a different facial shape that helped them survive in the colder aquatic environments, a blow hole on the top of their head, and more defined fins, flippers, and tails.

Natural Selection: Natural selection plays a major role in the Mysticetes. For example, the new blow hole that the Mysticetes had, apart from its ancestors, showed that it needed an opportunity to stay under water longer to thrive better, and so the adapted to have one.

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Description: The Basilosaurus lived in the late Eocene Era, around 41 to 34 million years ago. Unlike the Dorudon, the Basilosaurus grew to be around 60 feet long. It had structures that were very similar to a dolphin, such as the skull, tail, fins, and body. The Basilosaurus had a diet that consisted of fish and other marine animals.

Environment: The Basilosaurus lived in the U.S., Egypt, Western Sahara, Morocco, Jordan, Tunisia, Pakistan, and Peru.

Adaptations: The Basilosaurus grew around 45 feet in length, had developed fins and flippers, and an elongated body that was now truly meant for swimming.

Natural Selection: The fact that the Basilosaurus has a longer, skinner tail shows that's what helped it survive better in its' environment. The way the fin on top of the animals body stayed throughout its developing, also shows that it had some significance in its survival.

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Description: The Dorudon lived around 40 to 34 million years ago during the late Eocene Era. The Dorudon was a full-on marine animal at this point and had no characteristics which made it able to survive on land. The Dorudon no longer had hind legs that were functional, front fins that aided in the animal swimming, a head like the common-day whale, and a tail that resembled a dolphin's tail. The Dorudon was around 16 to 23 feet long.

Environment: The Dorudon lived in Egypt, Pakistan, and the United States.

Adaptations: Adaptations for the Dorudon included no longer functioning back legs, and a tail that no longer existed, and looked like a fish's flat tail. Had a little fin at the top of its body.

Natural Selection: Natural selection in the Dorudon showed that hind legs were no longer essential to life for them to thrive, and a flatter, thicker tail was exactly what they needed. It also shows that a fin was needed for the animal to be able to thrive in its environment better.

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Description: The Takracetus lived around 36 to 34 million years ago in the late Eocene Era. They had long tails, webbed feet, and shorter hind legs than their past ancestors. They were around 16 feet long. The diet of the Takracetus consisted of fish and other aquatic animals.

Environment: The Takracetus lived in Pakistan.

Adaptations: Sharper teeth, webbed feet, and a flatter tail which allowed the animal to swim better in water. A new nose that was located further back in the head, as the common day whale has, was also adapted.

Natural Selection: The flatter tail, sharper teeth, and, more webbed feet suggested that those traits allowed the ancestors of the whale to survive better.

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Description: The Gaviacetus lived around 41 to 36 million years ago in the late Eocene Era. It had hind legs which were mainly meant for swimming only, and made the Gaviacetus unable to be a land animal. The Gaviacetus had a tail which made swimming in water easier. It had a diet that consisted of mainly fish and other aquatic animals. The Gaviacetus was the species that made the major transition from a land and marine animal, to only a marine animal.

Environment: They lived in Pakistan.

Adaptations: The adaptations from a Rodhocetus to a Gaviacetus included sharper teeth, webbed feet, a tail that was flatter, which allowed the animal to swim better in water, and a new nose that was located further back in the head, as the common day whale has.

Natural Selection: The fact that the Gaviacetus went back to only living in Pakistan, unlike their ancestor who lived in Pakistan, Kutch, India, Punjab, and Balochistan, proves that they survived best in Pakistan. The sharper teeth, flatter tails, blow holes, and more webbed feet also show that the Gaviacetus needed those traits to thrive better in its environment.

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Description: The Rodhocetus lived in the early Eocene Era, about 47 to 41 million years ago. It was around 13 to 16 feet long. The Rodhocetus had a head that resembled dolphins and other marine animals, webbed feet, and a long tail. Its diet consisted of aquatic animals such as fish and other small animals. The Rodhocetus was still considered a land and marine animal, although its' adaptations suggested that it was more suitable for water.

Environment: The Rodhocetus lived in Pakistan and India.

Adaptations: The adaptations from the Dalanistes to the Rodhocetus consisted of a shorter snout, sharper teeth, and bigger webbed feet, and a lengthening of 3-6 feet.

Natural Selection: Natural Selection in the Dalanistes shows that it needed sharper teeth to eat the aquatic animals, needed to be longer to survive, and needed more marine-type limbs to survive successfully.

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Description: The Dalanistes lived around 48.6 to 40.4 million years ago in the late early Eocene Era. The Dalanistes had a marine diet consisting mainly of fish. Although the Dalanistes had features that made it most suitable to be a marine animal, it was still considered to be both a marine and land animal. The Dalanistes were around 10 feet in length.

Environment: Lived in Kutch, India, and Punjab and Balochistan, Pakistan.

Adaptations: The Dalanistes had a variety of adaptations. Some included shorter whiskers, more marine animal-type ears, a shorter tail, and a more webbed foot to help it swim better in waters.

Natural Selection: From the Ambulocetus to the Dalansites, natural selection played an important role. The Dalansites had shorter, more-webbed hind legs to allow them to swim better in water.

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Description: The Pakicetus lived 50 million years ago during the Eocene Era. It was mainly a land animal but was also able to swim and be in water. The Pakicetus ate mainly meat and sometimes ate fish. It was about the size of a wolf.  It walked on four feet with individual toes, had a long tail, ears that are only unique to whales, and a long nose with whiskers. The Pakicetus was claimed to be the world’s first whale.

Environment: Lived in what is current-day Pakistan.

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Description: The Ambulocetus lived around 45 million years ago during the Eocene  Era. It was around 10 feet long, and was still able to walk on land even though it had new webbed feet.

Environment: Lived in current-day Pakistan.

Adaptations: It lengthened by around 8 feet, got webbed feet that helped it swim in the water better rather than walking on land, adapted a nose allowing it to swallow underwater, and developed ear bones that are more similar to aquatic life than land animals.