Second-largest phylum in number of species- over 100,000 described. Ecologically widespread- marine, freshwater, terrestrial (gastropods very successful.
Bites & Stings; Poisons/Toxins; Near Drownings EMT 100.
SNAKE BITE. Classification of snakes Poisonous snakes belong to three Families on the basis of poison secreted : 1. Elapidae : Neurotoxic 2. Viperidae.
Species Interactions in Biological Communities. Community Several different species interacting in the same geographic area Types of Interactions Competition.
