Anatomy + Phylogeny (but mostly phylogeny) - Lab Practical 2

Based on every specimen we've studied in zoology lab since lab practical 1! Some of these questions I've taken straight from the textbook, the rest I've taken from the vocab sheets given to us

Name the 5 traits every chordate has (at some point in development)

• notochord

• dorsal hollow nerve chord

• pharynx with pharyngeal slits

• endostyle

• postanal tail

describe how the water vascular system works

Identify the phylum and class of this animal. Hint: it’s made of calcium carbonate

Class Calcaria

Identify the genus and class of this animal

Scypha, Calcarea

Identify the genus and class of this animal

Lecuosolenia, Calcaria

Identify the class of this animal

Hexactinellida

Identify the class of these sponges (hint: they’re all in the same class) (hint 2: it is the most diverse class of sponges by FAR)

Demospongiae

cells in sponges that push water through flagellated chambers

choanocytes

cells that make up the outside layer of sponges

pinacocytes

cells that carry food particles through the mesohyl in sponges

amoebocytes

cells that open and close to control water flow in sponges

porocytes

the free-swimming larva of some sponges

amphiblastula larva

Obelia

Phylum Cnidaria, Class Hydrozoa, Hydra

Identify the phylum, class, and genus of this animal

Phylum Cnidaria, Class Hydrozoa, Obelia

The class of a jellyfish without a velum

Scyphozoa

Identify the phylum, class, and genus of this animal

Phylum Cnidaria, Class Hydrozoa, Gonionemus

Identify the phylum, class, and genus of this animal

Phylum Cnidaria, Class Scyphozoa, Aurelia

Identify the phylum, class, and genus of this animal

Phylum Cnidaria, Class Anthozoa, Metridium

Identify the phylum, class, and genus of this animal

Phylum Platyhelminthes, Class Turbellaria, Dugesia

Class of flatworms that are not exclusively parasitic

Class Turbellaria

Identify the phylum, class, and genus of this animal

Phylum Platyhelminthes, Class Trematoda, Clonorchis

Identify the phylum, class, and genus of this animal

Phylum Platyhelminthes, Class Cestoda, Taenia

Identify the phylum and genus of this animal

Phylum Nematoda, Ascaris

Identify the phylum and genus of this animal

Phylum Nematoda, Turbatrix

Identify the phylum and genus of this animal

Phylum Rotifera, Philodina

Identify the phylum, class, and genus of this animal

Phylum Mollusca, Class Gastropoda, Ariolimax

Identify the phylum, class, and genus of this animal

Phylum Mollusca, Class Gastropoda, Helix

Identify the phylum, class, and genus of this animal

Phylum Mollusca, Class Bivalvia, Mytilus

Identify the phylum and class of this animal

Phylum Mollusca, Class Polyplacophora

Identify the phylum and class of this animal

Phylum Mollusca, Class Scaphopoda

Identify the phylum, class, and genus of this animal

Phylum Mollusca, Class Cephalopoda, Loligo

Identify the phylum, class, subclass, and genus of this animal

Phylum Annelida, Class “Polychaeta”, Subclass Errantia, Nereis

Identify the phylum, class, subclass, and genus of this animal

Phylum Annelida, Class Clitellata, Subclass “Oligochaeta”, Lumbricus

Identify the phylum, class, subclass, and genus of this animal

Phylum Annelida, Class Clitellata, Subclass Hirudinea, Hirudo

Identify the phylum and subphylum of this animal (hint: these are extinct, so the only specimens we have of them in lab are fossilized)

Phylum Arthropoda, Subphylum Trilobita

Identify the phylum, subphylum, class, and genus of this animal

Phylum Arthropoda, Subphylum Chelicerata, Class Merostomata, Limulus

Identify the phylum, subphylum, class, and genus of this animal

Phylum Arthropoda, Subphylum Chelicerata, Class Arachnida, Argiope

Identify the phylum, subphylum, and class of this animal (hint: it only has one leg per side on each body segment)

Phylum Arthropoda, Subphylum Myriapoda, Class Chilopoda

Identify the phylum, subphylum, and class of this animal (hint: it has two legs per side on each body segment)

Phylum Arthropoda, Subphylum Myriapoda, Class Diplopoda

Identify the phylum, subphylum, class, and genus of this animal

Phylum Arthropoda, Subphylum Crustacea, Class Malacostraca, Cambrus

Identify the phylum, subphylum, class, and genus of this animal

Phylum Arthropoda, Subphylum Hexapoda, Class Insecta, Romalea