Kittens Eat... and Eat... and Eat Growing up is a very energetic business. A young kitten needs up to four times as many calories per pound of body weight as an adult cat. On the other hand, the kitten's stomach is much smaller than that of a grown-up cat -- at first not much larger than a human thumbnail. A kitten's food must be especially rich in calories and nutrients.
Amniotes are classified within the following taxonomic hierarchy: Animals Chordates Vertebrates Tetrapods. Amniotes are divided into the following taxonomic groups: 1  Birds (Aves) - There are about 10,000 species of birds alive today.
Copepods from Ernst Haeckel 's Kunstformen der Natur. Copepods form a subclass belonging to the subphylum Crustacea (crustaceans); they are divided into ten orders. Some 13,000 species of copepods are known, and 2,800 of them live in fresh water.ost copepods have a single compound eye in the middle of their head, but copepods of the genus Corycaeus possess two large cuticular lenses paired to form a telescope. Copepods vary considerably, but can typically be 1 to 2 mm (0.04 to 0.08 in) long, with a teardrop-shaped body and large antennae.