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Homologous structure that is greatly reduced in size?
The pelvic bones in modern whales are an example of a homologous structure that has become greatly reduced in size. These bones are a remnant of the pelvis found in the common ancestor of whales and other mammals, but their size and function have been greatly reduced due to evolution and the adaptation of whales to an aquatic lifestyle.
This type of structure has no clear function in some modern species?
Vestigial structure. These are remnants of organs or anatomical features that had a purpose in ancestor species but no longer serve a clear function in modern species. Examples include the appendix in humans or the hip bones in whales.
How are scientists able to explain vestigial structures found in whales and some snakes?
These vestigial structure, hip bones and leg bones, attest to the land dwelling ancestor of whales and the leg bearing ancestor of snakes. The inference is rather simple in whales. How else could a water swimming animal posses vestigial legs. For light amusement read some of the creationist non explanations for these vestigial markers. talkorigins.org
Which is considered a vestigial structure in humans a.tail b.nose c.arm d.ear?
tail. vestigial structures no longer have a purpose in modern life.
The pelvic bones of modern whales no longer function like the pelvis of a land animal and are an example of?
vestigial structures.
Homologous structure that is greatly reduced in size is called?
A homologous structure that is greatly reduced in size is known as a vestigial structure. These structures are remnants of organs or body parts that had a function in ancestors but are no longer used in modern organisms. Examples include the human appendix and the hip bones in whales.
Modern whales have a vestigial perlvis and femur what does this evidence suggest about ancestors of modern whales?
Evidence of a vestigial pelvis and femur suggests about the ancestors of modern whales walked on land and thus, also breathed air. Many other marine life is believed to have been land based before massive climate change and perhaps floods.
Is DNA a vestigial structure?
No. DNA is not a vestigial structure as it has not ceased to function
What is the term for structure that has no use in an organism?
Vestigial StructureA vestigial structure is a structure that appears to no longer have a use in the body.
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.
Do whales have vestigial legs?
No, whales do not have vestigial legs. They evolved from land-dwelling mammals that had legs, but over time, their legs became adapted into flippers for swimming.
What is the term for a structure that has no use in an organisms?
Vestigial StructureA vestigial structure is a structure that appears to no longer have a use in the body.
