Which of the following is the most evident source of evolution?

The eye of an octopus and the eye of a cat show different patterns of structure,yet they perform similar functions. This is an example of:

In human beings,vestigial organs are:

Read the following statements:
Statement $I$: All vertebrates develop a row of vestigial gill slits during the embryonic stage.
Statement $II$: Embryos always pass through the adult stages of other animals.
Which of the following options is correct with reference to these statements?

Which one of the following is a pair of homologous organs?

The convergent evolution of two species is usually associated with