Part 1 of Essay
An octopus is a creature that many do not give much thought to, but it just happens to be considered one of the world's most intelligent invertebrae. Most people only see an octopus on their dinner plate and quite often get them confused with squids. Yet they are amazing creatures that are completely separate from squids. ....

Part 2 of Essay
.... system, a complete digestive tract, along with excretory and nervous system, they are classified under the Mollusca phylum. It then goes under the classification of Cephalopod along with squids and chambered nautilus. From there it is ordered as Octopoda, (Family) Octopodidae, (Genus) Octopus. Then its species differ to differentiate one octopus from another. A common octopus's species is labeled as vulgaris. A common octopus's scientific name: Kingdom: Animalia Phylum: Mollusca Classification: Cephalopoda ....