contestada

Which of the following is an example of homoplasy?

a. Hox genes in humans and sea stars
b. streamlined bodies in dolphins and ichthyosaurs
c. astragalus ankle bones in camel and pig
d. hair in humans and fur in bear

Respuesta :

extensionprenton

Answer:

The correct answer is option b. "streamlined bodies in dolphins and ichthyosaurs".

Explanation:

An homoplasy is defined as a trait that is shared between two different species but that they do not originate from a common ancestor. An example of homoplasy is the streamlined bodies in dolphins and ichthyosaurs. Ichthyosaurs were reptiles, not mammals like modern dolphins, therefore their similar streamlined bodies evolved separately.

luisvaschetto

The streamlined bodies in dolphins and ichthyosaurs are an example of homoplasy (Option b).

  • A homoplasy refers to a phenotypic trait that is shared by different species but is not present in a common ancestor.

  • Conversely, a homology is present in the common ancestor of the species sharing this feature.

  • An example of homoplasy is the evolution of eyes in different species (e.g., humans and flies).

In conclusion, the streamlined bodies in dolphins and ichthyosaurs are an example of homoplasy (Option b).

Learn more in:

https://brainly.com/question/5861629

Otras preguntas