Which feature is common to gills, lungs, and tracheae?

The art of breathing in someway.

Hey there,
It is the large surface area.

Hope this helps :))

~Top

It feels feed the echo system

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )