A phalanx is a single finger or toe bone. The phylogeny of an organism reflects the evolutionary branch that led up to the organism. In classification, a phylum is a group of related or similar organisms. A phylum contains one or more classes. This is a relatively slow way of walking since most of the foot comes in contact with the ground.
Reptiles are poikilothermic.
Some South American Indians apply the poison to the tips of their hunting arrows and blow-gun darts. Pollination is effected by the wind, insects, hummingbirds, etc. A polyphyletic group consists of organisms but not their common ancestors. This is an artificial group which is based primarily on physical characteristics rather than on evolutionary relationships. A predator is an animal that hunts and kills other animals for food.