0
Whales underwent significant skeletal changes during their evolution from land-dwelling ancestors to fully aquatic mammals. Key adaptations include the reduction of hind limbs, which are largely vestigial, and the modification of forelimbs into flippers, enhancing swimming efficiency. Additionally, their skulls evolved to become elongated and streamlined, with nostrils shifting to the top of the head to facilitate breathing at the water's surface. Overall, these changes reflect a transition to a fully marine lifestyle, optimizing their anatomy for life in water.
What else can I help you with?
What changes have occurred in the killer whales environment to make it endangered?
There have been no major changes in the killer whale's environment, and they are not an endangered species.
What part of a whale is evidence for evolution?
The evidence for evolution in whales can be seen in their skeletal structure, particularly in the remnants of hind leg bones found within the body. These vestigial bones indicate a shared evolutionary history with land-dwelling mammals and suggest that whales evolved from terrestrial ancestors.
What anatomical evidence is found supporting evolution?
vestigial organs such as a tail bone in humans and a hip bone in whales. also, the skeletal structure of wings of birds, flippers of whales, and hands of humans are all very very similar in structure.
What is the evolution of whales?
chrimps?
How are a cheetah skeletal system and a whales skelitel system different?
Whales don't have a skeleton, they are single-celled organizisms.
How do the fossils of whales provide evidence that whales have evolved over millions of years?
i guess they show tht whales were here millions of years ago and they show how they changed over time, when the whales changed or evovled, the fossils changed they show that whales' ancestors were four legged mammals. modern whales inherited hip bones from their four legged ancestors.
Why has evolution made whales look similar to fish?
It is called convergent evolution. When two different animals have to adapt to the same environment (both whales and fish have to adapt to marine environments) evolution will make them start to look similar, even though they will still retain fundamental differences. For example, whales are mammals, and fish are... fish
How does fossil evidence from the ancestors of whales support evolution?
hard core
Does every creature have a skeletal system?
No, the only animals that have skeletal systems are vertebrates such as reptiles, mammals, birds, sharks, whales and some amphibians. By Vertebrates it means that they have a back bone.Other species of animals do not have a skeletal system.
What could explain the external form of whales and fish being similar but the whales skeleton being similar to that of a mammal?
convergent evolution
What is an example of macro evolution?
One example of macroevolution is the evolution of whales from land-dwelling mammals to fully aquatic marine mammals over millions of years. This process involved significant anatomical adaptations such as changes in limb structure, development of a streamlined body shape, and adaptation of a blowhole for breathing.
What evidence supports the hypothesis that whales evolved from land-dwlling mammals?
Theory of evolution
