Which of the following would be considered homologous structures?

Question

a. lungs of a mammal and trachea of an insect

b. wings of a butterfly and wings of a bird

c. wings of a bird and arms of a man

d. tentacles of an anemone and tentacles of a squid

Answer 1

Sophia J is perfectly correct.Answer is c.

Answer 2

c. Homologous structures have both similar function AND similar embryonic origin.  a,b, and d all have similar functions, but do not come from the same embryonic origin.

Answer 3

b. wings of a butterfly and wings of a bird

because both use their wings to fly

Answer 4

Yup, C.

Homologous structures are those which have the same evolutionary ancestor.

The bones of a bird wing and the arms of a human are both derived from the front limbs of a common ancestor.  You can't say that about any of the other pairings.