Wings in Rhea is an example of
Wings in flightless birds are vestigial organs which had some function in their ancestors but they don’t have any function at present.
Fill in the following blanks with suitable words : (a) The human forelimb and bat's forelimb are an example of ___ organs whereas an insect's wing and a bat's wing are an example of ______ organs. (b) The evolution of the eye is an example of evolution by ___ (c) The scientific name of all human beings is ___ (d) Broccoli has evolved from ___ by the process of artificial selection. (e) The theory of natural selection for evolution was proposed by ___