BIOL 1030 Hawthorn exam 3 (simpified)

Phoronida

marine, chitinous tube dwelling, worm-like, U-shaped gut, sessile

syndermata

contains crown of cilia that beat synchronously

Gastrotricha

microscopic, worm-like, aquatic, contains spines on ventral surface

Ectoprocta

marine and freshwater, colonial, has hard tubes, can resemble moss

Brachiopoda

marine, 2 calcified shells, upper is larger, may have a pedicle

Mollusca

diverse with a large size range, has a foot, mantle, radula, well developed organ systems

nemertea

worms with probiscis, complete gut, circulatory system

Platyhelminthes

mostly parasitic, some free-living, simple or no gut

Lophorata

crown of ciliated tentacles around mouth

Annelida

segmented worms with repeated organs, including an excretory system

Ascomycota

septate monokaryon, some large, many microscopic, plant pathogens, asexual and sexual reproduction

Zoopagomycota

coenocytic hyphae, parasitic or commensal, spores lack flagella

Basidiomycota

sexual spores only, septate monokaryon, large with gills, cap, stalk

Lichen

symbiosis between mycobiont and photobiont

Mucormycota

coenocytic hyphae, non-flagellated spores, zygosporangia, heterotrophic by assimilation

Chytridiomycota

coenocytic hyphae, microscopic, freshwater/soil, flagellated zoospores, some are parasitic

Ctenophora

biradial symmetry, has colloblasts, iridescent, bioluminescence, rows of fused cilia to propel

imperfect

no known sexual stage, spores produced by mitosis

cnidaria

radial symmetry, can be sessile polyp or motile medusa, stinging tentacles

porifera

has many holes, lacks tissues, filter feeders, flagellated larva, sessile adult

Demospongia

marine and freshwater, siliceous spicules or spongin fibers, leucon body type

Gastropoda

belly foot, shell, eye stalks

Hirudinea

marine, freshwater, terrestrial, sedentary, ectoparasitic and predaceous, no setae, superficial annuli, oral and posterior suckers

Polyplacophora

chitons, oval body cavity shape, shell with 8 plates, muscular foot, radula

Cephopoda

head foot, mantle forms body tube, 8 arms with suckers, 2 tentacles with suckers

Bivalvia

2 shells of same size, incurrent and excurrent siphon, gills

Oligochaeta

Marine and freshwater or terrestrial, few very small setae, clitellum

scyphozoa

medusa is dominant phase, many bioluminescent

Anthozoa

only polyps, colonial or solitary, large subdivided gastrovascular cavity, can sting

polychaeta

all marine, many setae, parapodia, distinct head, sedentary or errant

Trematoda

all parasitic, flukes, snail is host

Cestoda

all parasitic, absorb nutrients, anterior end has suckers and hooks posterior end has sacs of sex organs

Cubazoa

box-shaped, medusa is dominant phase, tropical oceans, highly toxic

Hexatinellida

deep marine, siliceous 6-rayed spicules, syncytium sycon/leucon body types

Calcerea

all marine, calcareous spicules, small, all body types

hydrozoa

most alternate between polyp and medusa, only some polyp

Rhabditophora

some parasitic mostly free-living, high regenerative powers, circular longitudinal and parenchymal muscles