Question

what are difference between gills,book gills,book lungs or tracheal system?
please give correct answer or I will report answer​

Answer 1

Answer:

Gills :

• They are External.

• The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist.

Book gills :

• They are Internal.

• A gill found in the horseshoe crabs that consists of membranous folds arranged like the leaves of a book.

Book lungs :

• They are External.

• The book lungs themselves consist of a series of haemolymph filled plate-like structures.

hope it helps you mate.

please thank and mark my answer as brainliest.

@ ANUSHA ❤✌