Lab 3 Animal Diversity III

What is superphylum ecdysozoa?

It is animals that have hard external coating (cuticles) and goes through a process where it can be shed and re-grown (ecdysis)

What animals are in phylum nematoda?

roundworms

What are the characteristics for phylum nematoda?

They have a tough cuticle, alimentary canal (complete gut), and a psuedocoelom

What animals are in phylum Tardigrada?

Tardigrade

What are the characteristics of phylum Arthropoda?

They have jointed appendages, segmented bodies, rigid exoskeleton, alimentary canal, coelom, open circulatory system, hemolymph, and antennae

What changes occur to the coelom when an arthropod turns into an adult?

It is replaced by a different cavity called the hemocoel

What subphylums are in phylum Arthropoda?

Subphylem Chelicerata, Myriapoda, Pancrustacea

What animals are in subphylum chelicerata?

Spiders, scorpions, ticks, mites, horseshoe crabs, and sea spiders

What are the characteristics of subphylum chelicerata?

They have a feeding appendages (chelicerae), pedipalps, 4 pairs of walking legs, anterior cephalothorax, posterior abdomen, and spinnerets

What animals are in phylum arthropoda subphylum myriapoda?

centipedes and millipedes

What animals are in phylum arthropoda subphylum pancrustacea?

crabs, lobsters, and shrimp

What are the characteristics of phylum arthropoda subphylum pancrustacea

They have gills, tracheal system, and spiracles

What animals are in phylum arthropoda subphylum pancrustacea class insecta?

Insects

What are the characteristics in phylum arthropoda subphylum pancrustacea class insecta?

They have three body segments a head, thorax, and abdomen, they have one pair of antenna, three pairs of legs, and some have wings

What is superphylum deuterostomia?

largest monophyletic group and includes phylum echinodermata and chordata

What animals are included in phylum echinodermata?

sea stars, brittle stars, sea urchins, sea cucumbers, and crinoids

What are the characteristics of phylum echinodermata?

they have a water vascular system, tube feet, and madreporite

What are the two body plans of phylum echinodermata?

an oral surface and aboral surface

What is phylum chordata?

It is named after a notochord and belongs to humans and other mammals

What are the characteristics of phylum chordata?

the pharyngeal gill slits, muscular post anal tail, and a dorsal hollow nerve cord

What is phylum chordata subphylum cephalochordata?

Known as lanelets and it composed of a few marine burrowing species

What is phylum chordata subphylum urochordata?

They have free swimming larvae which undergo metamorphosis when adult stage is reached

What is phylum chordata subphylum vertebrata?

This is humans they have bony structures, dorsal midline, and extensive endoskeleton

What is the aboral surface?

It means the opposite of the mouth

What is the oral surface?

It mean it is facing the mouth

What is the extra phylum we need to know?

trilobitomorpha

What animals are in trilobitomorpha?

elrathia kingi and ellipsocephalus hoffi