Im not sure if this will be the answer you teacher is looking for but i think the answer would be
Hair on the head protects scalp from injury and sunlight
Eyelashes and eyebrows protect eyes
Nostril and ear hairs protect from foreign particles
It was very bright.
It was quite hot.
It was not so big.
It was 2 million yrs old.
It was made of electrons and neutrons.
Please mark as brainlest.
That body parts are called "Homologous Organs" which are similar in origin & structure.
Hope this helps!