This order includes Daddy Long Legs, which are often mistaken for spiders.
What is Order Opiliones?
This order includes dragonflies and damselflies
What is Order Odonata?
The shiny layer that coats the inside of bivalve shells, often called "mother of pearl".
What is the nacreous layer?
This evolutionary phenomenon of convergently evolving into a certain squat body form has occurred many times in the Decapoda.
What is carcinization?
Class
What is class Scaphopoda?
This subphylum includes centipedes and millipedes.
What is Subphylum Myriapoda?
This is the annelid family that includes 'parchment worms', which live in a u-shaped burrow.
What is Family Chaetopteridae?
Leeches have a highly reduced version of this body segment that other members of their class are named for.
What is the clitellum?
Some members of the order Hymenoptera exhibit this type of sociality where there is overlap of generations, a caste system, and care of young.
What is eusociality?
Species
What is Dreissena polymorpha?
The clade name for true limpets, who are all limpet-shaped and marine.
What is Clade Patellogastropoda?
The four groups found within Clade Vetigastropoda.
What are Fissurellidae, Haliotidae, Pleurotomariidae, and Trochidae?
Sabellid worms have this type of body plan, meaning they have segments of their body that look different.
What is heteronomous?
Bonus: Why would an annelid be heteronomous? What is the opposite and why would that be advantageous?
Many members of the class Polyplacophora sequester magnetite while feeding, which helps them do this
What is orient themselves/find food patches and shelter?
Subphylum and order
What is subphylum Chelicerata and order Xiphosura?
This species of class Polyplacophora can live for 25+ years and their slow reproductive rates, along with the effects of overharvesting, have raised conservation concerns.
What is Cryptochiton stelleri?
One of the most widely distributed squids which is also heavily consumed as calamari. This squid breeds often and is considered a "best choice" seafood.
What is Loligo vulgaris?
Bivalves have these types of muscles.
What are adductor muscles?
Members of family Xenophoridae exhibit this behavior (hint: think of the etymology).
What is carrying other shells on its shell?
Family
What is Cypraeidae?
Phylum, Class, Cohort, Superorder, Order and Family name for the argonaut/paper nautilus.
What are Phylum Mollusca, Class Cephalopoda, Cohort Coleoidia, Superorder Octopodiformes, Order Octopoda, Family Argonautidae?
The phylum, class, cohort, and order of Nautilus spp.
What are Phylum Mollusca, Class Cephalopoda, Cohort Nautilidia, Order Nautilida?
The long, thin contractile tentacles possessed by members of Scaphopoda.
What is captacula?
This species is the largest of the true mussels and often forms reefs in cold, deep, circumpolar waters.
What is Modiolus modiolus?
Genus
What is Nereis?