Answer:
Explanation:
Placoderms were the first jawed fish; their jaws likely evolved from the first of their gill arches. in spanish
placodermos
The wing of a bat is homologous to the flipper of a whale. Homologous structures are structures that have a similar ancestries and common traits but maybe not have the same function in an organism. For example the arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale are homologous structures.
b)ATP is the important energy storing molecule produced in cellular repiration
a)ATP stores and releases energy
Arthropods has the bilateral symmetry !
so answer is B !
