Coral reefs are important marine habitats, which are built by millions of tiny coral species living in warm waters. These animals create vast calcified...
Cuttlefish are marine animals closely related to squid, octopus, and nautilus. They are in the taxonomic class Cephalopoda, but differ from their other cephalopod...
Animals live in a variety of different habitats and face an array of daily challenges. To survive, they evolve adaptations that give them advantages...