Lab Final Flashcards
have no true tissues
Sponges
Path of waterflow through a sponge
Pores, spongocoel (body cavity), osculum (exit hole)
choanocytes
specialized cells that move water through sponges (collar cells)
spicules and spongin
collagen in a sponge
cnidocytes
stinging cells in Phylum Cnidaria
have true tissues
radial symmetry
have stinging cells on tentacles and elsewhere
tentacles surround mouth
Radiata- Phylum Cnidaria
Have both polyp and medusa stages (within phylum cnidaria)
Hydrozoa
Phylum and class of Jelly fish
Medusa or polyp dom?
Phylum Cnidaria, Class scyphozoa
dominant medusae
Phylum and class of sea anemones/coral
polyp or medusa
Phylum Cnidaria
Class Anthozoa
Polyp only
What phylum and class have animals that secrete calcium carbonate exoskeletons
Phylum Cnidaria
Class Anthozoa
Bilateria
Animals with bilateral symmetry
Dorsal
ventral
anterior
posterior
D: Top
Ven: bottom
An: front
Post: Back
acoelomate means
no body cavity
pseudocoelomate means
body cavity bound by mesoderm on one side
coelomate (or eucoelomate) means
“true” body cavity, surrounded by mesoderm on both sides
coelom surrounded by __________
mesodermal tissue
2 clades in Bilateria
Protostomia (mouth first)
Deutoerstomia (butt first)
3 phylum of bilateria
Platyhelminthes (flatworm)
Annelida (segmented worm)
Mollusca (mollusks)
What phylum does most have dorsoventral flattening
Platyhelminthes (flat worm) Bilateria)
3 classes of Phylum Platyhelminthes
Turbellaria
Cestoda
Trematoda
linear repetition of body parts; specialization in some
separated by _______
segmented
septa
Phylum annelida uses _____ for hydrostatic skeleton
coelom
Excretory tublues in phylum annelida
metanephridia
Chitinous bristles in segmented worms
setae
3 classes of segmented worms (Phylum annelida)
Polychaeta
Oligochaeta
Hirudinea
Head with tentacles, eyes, jaws,
fleshy paraphodia on segments
Class Polychaeta
Phylum Annelida
clitellum
band used for mating, towards anterior of class oligochaeta
Leech
Lacks segmentation
Phylum Annelida
Class Hirudinea
Mantle
membrane present in mollusks; in most, secretes and maintains one or two calcareous valves (shells
radula
rasping tongue with chitinous teeth in mollusks
periodic shedding of protective cuticle so that organism can grow or change
molting (ecdysis)
diiference between male and female in Phylum Nematoda
hooked end on male
4 subphyla of molting phylum Arthropoda
Subphylum Cheliceriformes
Subphylum Myriapoda
Subphylum Crustacea
Subphylum Hexapoda
Body Plan:
Paired chelicerae
Paired pedipalps
4 pairs of legs
Cephalothorax (horseshoe)
Subphylum Cheliceriformes
Head and multisegmented trunk
1 pair of antennae
paired mandibles
uniramous appendages
Subpylum Myriapoda
Phylum Arthropoda
2 classes of Subphylum Myriapoda
Diplopoda (2 pairs of legs)
Chilopoda (1 pair of legs) Chilopoda (
2 pairs of antennae
Paired mandibles
5 pairs of chelate appendages
Subphylum Crustacea
Phylum arthropoda
6 feet
1 pair antennae
paired mandibles
3 pairs of legs
2 wings
Subphylum hexapoda
Publum Arhtropoda
coelomate; unsegmented
pentamerous radial symmetry
water vascular system
dermal endoskeleton with spines
Phylum Echinodermata
4 classes of Phylum Echinodermata
Asterodiea
Ophiuroidea
Echinoidea
Holothuroidea
3 subphyla of Phylum Chordata
Urochordata
Cephalochordata
Vertebrata
7 classes in Subphylum Vertebrata
Agnatha – jawless fish
Chondrichthyes – cartilaginous fish (sharks)
Osteichthyes – bony fish with paired fins
Amphibia – two pairs of legs; smooth skin (frogs)
Reptilia – two pairs of legs; scaly skin (lizards, snake)
Aves – feathers; paired wings and legs (birds)
Mammalia – hair, mammary glands, two paired appendages
Path of filtrate through Kindey (6)
Glomerulus, Bowmans capsule, proximal convoluted tubule, loop of henle, distal convoluted tubule, leaving through the collecting duct
3 layers of kidney from outside inwards
Cortex, outer medulla, inner medulla
Flow of blood through the heart (7 step)
vena cava, right atrium, right ventricle, pulmonary artery, left atrium, left ventricle, aorta
hepatic portal system
carries blood from the digestive organs and spleen to the liver
what color are hepatic portal veins
Yellow
What is a madreporite? What organism is it found on?
The madreporite is a sievelike, porous structure on the surface of echinoderms.
