In classification, a class is a group of related or similar organisms. A class contains one or more orders. A group of similar classes forms a phylum. The classification of organisms helps in the their study. When alive, claws were sheathed in a horny, keratinous material much like our fingernails, making the claw even bigger, longer and sharper.
Rainforest are very rainy area with high humidity.
The temperature in a rainforest never freezes and never gets very hot. It is usually misty and cloudy. A club is the thickened end of a butterfly's antenna . Snakes and lizards are ectothermic. The two animals are called commensals.