Do fish and whales share a common ancestor?

Do fish and whales share a common ancestor?

Remembering that scientific classification reflects common evolutionary history, if we say that a whale is a mammal, we can examine its skeleton, nervous system, embryological development, hormones, and so on to establish that these features are derived from a common mammalian ancestor, that the unique features of …

How is a whale similar to a fish in adaptation to life in water?

The whale is similar to fish because Both of them respire and take dissolved oxygen for their survival and both them swim in water……..and they both are living in water…….

Are whales also fish?

Whales are warm blooded, which means they keep a high body temperature that does not change in the cold water. Fish are cold-blooded, so their body temperature changes depending on the temperature of their environment. Fish lay eggs, which must still grow into a baby fish. So whales are indeed mammals and not fish!

How are whales not similar to fish?

Fish have gills that extract oxygen from the water and allow it to live underwater their entire lives. On the other hand, whales do not have gills but instead have one or two blowholes that connect to their lungs, which allow the whale to breathe in air.

Do whales like humans?

From a historical perspective, whales do appear to be non-aggressive. Their relatives, the dolphin’s species, tend to be very friendly and curious towards humans, often displaying a desire to greet and meet people.

What animal is the closest cousin to Dolphins?

hippopotamus
Origin of Dolphins It is widely accepted in scientific circles that both the baleen and toothed whales shared a common ancestor, now extinct. The closest living relatives of dolphins today are the even toed ungulates such as camels and cows with the humble hippopotamus being the closest living relative.

Is whale a fish or mammal?

Whales and porpoises are also mammals. There are 75 species of dolphins, whales, and porpoises living in the ocean. They are the only mammals, other than manatees, that spend their entire lives in the water.

Are Sharks a type of fish?

Sharks are a special type of fish known because their body is made out of cartilage instead of bones like other fish. The classification of this type of fish is “elasmobranch.” This category also includes rays, sawfish, and skates.

Do whales eat humans?

Despite occasional reports of whales scooping people into their mouths, it’s incredibly rare—and for all but one species, swallowing a human is physically impossible. On Friday, a lobster diver made headlines when he described miraculously surviving being “swallowed” by a humpback whale off Cape Cod, Massachusetts.

Is Shark a fish or mammal?

Sharks are fish. They live in water, and use their gills to filter oxygen from the water. Sharks are a special type of fish known because their body is made out of cartilage instead of bones like other fish.

Is blue whale a fish or mammal?

Like all whales, blue whales are mammals and give live birth to very large calves that they nurse for six or seven months.

Has anyone been swallowed by a whale?

Why are whales classified as mammals and not fish?

Whales even give birth to live baby whales that will get milk from their mom for food. Fish lay eggs, which must still grow into a baby fish. So whales are indeed mammals and not fish! Whales are mammals because they share the characteristics of other mammals (like us!).

Is a whale shark a mammal?

Whale sharks don’t produce milk

  • Whale sharks don’t have hair
  • Whale sharks don’t technically have “bones”; they have skeletons made of hard cartilage
  • they also don’t have a diaphragm
  • they don’t have a placenta that provides them with nutrition
  • How are fish and mammals different?

    – Fish are cold-blooded, scaly bodied, laterally flattened bodied, and finned whereas the mammals are warm-blooded, hairy bodied, not flattened, and mostly four-legged in the body forms. Both fish and mammals are equally important for the humans in umpteen ways.

    Is a whale a fish?

    Whales are not fish. They are marine mammals, as are dolphins and porpoises. They are warm-blooded and breathe air like humans.