Term
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Definition
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Term
| # of cells in most protozoa? |
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Definition
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Term
| protozoa: hetertorophs or autotrophs? |
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Definition
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Term
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Definition
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Term
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Definition
| flagella, cilia, pseudopodia |
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Term
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Definition
-photosynthetic
-flagella
-basis for most aquatic food webs |
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Term
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Definition
-intestinal parasites or free living
-no mitochondria or golgi bodies |
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Term
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Definition
| 1 class and 1 order: all parasitic (including human reproductive) |
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Term
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Definition
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Term
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Definition
Class Gregarinea and Coccidea
-all parasitic |
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Term
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Definition
| parasites of digestve tract or body cavity |
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Term
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Definition
| parasitic inside vertebrates |
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Term
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Definition
-ciliates; single-celled, surrounded by cilia
-many "gut" parasitic
-2 nuclei |
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Term
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Definition
-flagella
-cellulose cell wall
-photosynthetic and some heterotrophic
-mostly marine
-zooxanthellae
-some cause disease (pfsteria) |
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Term
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Definition
| Rhizopodans, Granuloreticulosans, Actinopodans |
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Term
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Definition
foraminiferans; used to date/determine chemical composition of sediment due to CaCO3 shell
-pseudopodia
-benthic/planktonic |
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Term
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Definition
radiolarians
-silica shell
-pseudopodia for feeding |
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Term
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Definition
| blue-green algae (NOT PROTOZOA) |
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Term
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Definition
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Term
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Definition
-sponges
-no organs, symmetry, or body cavity
-sessile
-spicules for protection
-mostly: marine, monoecious, have parenchyma (free-swimming larvae) |
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Term
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Definition
| marine animals similar to sponges but flattened/more mobile |
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Term
| Radiate Diploblastic Metazoans |
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Definition
-Cnidarians and Ctenophores
-radial symmetry
-nerve net but no cephalization
-no cavity except gut
-sexual and asexual reproduction |
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Term
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Definition
-polyp & medusa forms
-nematocysts
-Classes: Anthozoa, Scyphozoa, Hydrozoa, Staurozoa, Cubozoa |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Hydroids and sipohonophores |
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Term
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Definition
Ctenophores = comb jellies
-similar to jellyfish but lack stining cells
-mostly marine
-feed on zooplankton
-prey of jellyfish |
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Term
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Definition
-mostly marine
-considered oldest bilaterally symmetrical animals |
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Term
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Definition
-flatworms
-moist habitats
-acoelomates
-incomplete gut
-flame cells
-reproductive variation
-anterior ganglia
-carnivorous
-marine osmoconformers, freshwater osmoregulators |
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Term
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Definition
-turbellarians
-"creepers" (muscle and ciliary movement)
-common example=planaria |
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Term
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Definition
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Term
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Definition
| -digenean flukes (2 main hosts during lifetime) |
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Term
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Definition
-monogenetic flukes
-no longer with other Trematodes (closer to cestodes)
-all parasitic
-single host |
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Term
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Definition
-tapeworm
-scolex
-proglottids
-no digestive system |
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Term
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Definition
| parasitic in kidneys of cephalopods and other marine inverebrates |
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Term
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Definition
-ribbon worms
-proboscis for hunting
-mostly marine
-complete digestive tract
-cephalized
-blood vascular system |
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Term
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Definition
-mostly freshwater
-pseudocoelomates
-dioecious
-popular for population/evolution studies
-popular food for aquaculture |
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Term
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Definition
-thorny-headed worms
-all endoparasitic
-network of internal tubes (lacunar system) |
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Term
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Definition
-gastrotrichs
-similar to rotifers but have no corona or mastax
-bristly body
-gas exchange by diffusion
-complete digestive system
-simple brain
-hermaphroditic |
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Term
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Definition
possess a ciliated feeding device (lophophore)
(Phylums Ectoprocta, Brachiopoda, Phoronida) |
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Term
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Definition
-bryozoa
-most sessile
-form colonies of individual zooids (which secrete exoskeleton)
-filter feed through lophophore
-simultaneous hermaphrodites |
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Term
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Definition
-brachiopods or "lamp shells"
-little changed of phylum in over 500 million years
-resemble clams with a lophophore
-dorsal and ventral ganglia
-open circulatory system w/ heart
-mantle used for gas exchange
- |
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Term
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Definition
-wormlike
-most temperate marine
-contractile blood vessels but no heart
-larvae = actinotroch |
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Term
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Definition
-mantle, foot, radula, ganglia
-unsegmented
-metanephridia
-circulatory system w/heart
-sensory systems
-monoecious & dioecious |
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Term
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Definition
-snails, slugs, cone shells, sea hares etc.
-variable reproduction |
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Term
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Definition
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Term
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Definition
-octopi, squid, cuttlefish, nautilus
-internal fertilization
- |
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Term
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Definition
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Term
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Definition
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Term
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Definition
-segmented worms
-segments=metameres
-dorsal cerebral gangli = brain
-asexual and sexual reproduction (hermaphroditic or dioecious)
-nephridia
-gas exchange through skin and gills
-closed circulatory system w/ heart |
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Term
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Definition
-mostly marine
-some build reefs (including hydrothermal vents) |
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Term
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Definition
-most: terrestrial, hermaphroditic, live in moist environments, detritivores
-setae (not on parapodia) |
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Term
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Definition
-leeches
-mostly freshwater & parasitic
-hermaphroditic |
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Term
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Definition
-roundworms
-dioecious
-some free living, commonly parasitic (ascaris, hookworm, pinworm, filarial worms) |
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Term
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Definition
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Term
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Definition
| key features: chitonous exoskeleton, jointed appendages, tagmata, complete digestive system, complex muscular system, well developed nervous system, many w/ metapmorphisis, paired excretory glands, open circulatory system w/ heart |
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Term
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Definition
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Term
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Definition
-2 tagmata=cephalothorax and abdomen
-6 pairs of appendages
-no antennae |
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Term
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Definition
| horseshoe crabs, "giant water scorpions" |
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Term
| Subclass Xiphosurida (Class Merostomata) |
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Definition
-horseshoe crabs
-segmented carapace
-telson (tail) |
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Term
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Definition
| sea spiders (not true spiders) |
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Term
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Definition
-2 tagmata
-breathe by trachea and book lungs |
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Term
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Definition
-spiders
-have malpighian tubes
-8 eyes |
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Term
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Definition
-scorpions
-mostly tropical and nocturnal
-eats insects and spiders
-dioecious/viviparous |
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Term
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Definition
"harvestmen"/"daddy longlegs"
-NOT SPIDERS! |
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Term
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Definition
ticks and mites
-complete fusion of cephalothorax and abdomen
-transmit many diseases (lyme disease, rocky mountain spotted fever)
-ticks have 2 or 3 life cycles |
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Term
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Definition
head and trunk tagmata w/ paired appendages on trunk segments
-tracheal system
-malpighian tubes (but not chelicerates) |
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Term
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Definition
centipedes
-kill prey w/ venom |
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Term
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Definition
millipedes
-2 legs per segment
-use odor/skin toxin for defense |
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Term
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Definition
-mostly marine
-2 pairs of antennae and 2 pairs of maxillae
-1 pair of mandibles
-pair of appendages on each segment
-growth involves molting (a.k.a. ecdysis) |
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Term
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Definition
ex: water fleas
-mostly freshwater
-many parthenogenic |
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Term
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Definition
mussel/seed shrimps
-mostly marine |
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Term
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Definition
-no abdominal appendages
-5 cephalic, 6 throacic, 4 abdominal segments, & telson |
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Term
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Definition
-extremely important in food webs
-parasitic or free-living |
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Term
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Definition
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Term
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Definition
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Term
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Definition
-8 segments in thorax (6-7 in abdomen+telson)
-mostly marine
-isopods, decapods, amphipods |
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Term
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Definition
-mostly marine
-pill bugs (rollie pollies) |
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Term
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Definition
-benthic
-laterally compressed |
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Term
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Definition
-bioluminescent
-major part of baleen whale diet |
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Term
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Definition
| crabs, lobsters, crayfish, shrimp |
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Term
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Definition
-6 legs
-3 tagmata (head, thorax, abdomen)
-2 Classes: Entognatha and Insecta |
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Term
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Definition
-base of mouthparts enclosed within the head capsule
-best known example = springtails |
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Term
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Definition
-ectognathus mouthparts
-most have 2 pairs of wings
-exoskeleton provides protection
-jointed and winged for mobility
-compound eye
-chemoreceptors
-well developed ciruclatory system
-malpighian tubules
-metamorphosis |
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Term
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Definition
-arrow worms
-micropredators
-unsegmented & not true worms
-simultaneous hermaphrodite |
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Term
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Definition
-"prickly skin"
-water vascular system
-no brain
-marine
-dioecious (external fertilization) |
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Term
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Definition
-sea urchins & sand dollars
-sea urchins = grazers on temperate and tropical reefs |
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Term
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Definition
-sea stars
-carnivores/important keystone species (crown of thorns) |
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Term
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Definition
-brittle stars
-more flexible/mobile than sea stars |
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Term
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Definition
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Term
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Definition
-crinoids/sea lilies
-benthic filter feeders |
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Term
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Definition
| -bilaterally symmetrical, has coelom, complete digestive system, circulatory system (w/ heart) & chordate characteristics except notochord |
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Term
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Definition
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Term
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Definition
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Term
| Phylum Chordata characteristics? |
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Definition
1. bilateral symmetry
2. notochord
3. dorsal nerve chord
4. pharyngeal gill slits
5. postanal tail
6. complete digestive system
7. segmentation |
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Term
| Subphylum Cephalochordata |
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Definition
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Term
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Definition
chordates w/:
-endoskeleton w/ cranium
-myomeres
-closed circulatory system w/ vetnral heart
-erythrocytes
-kidneys
-well developed digestive tract, coelom, tripartite brain, and endocrine system
-sexes always separate (except for fishes)
-paired appendages |
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Term
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Definition
-early fishes
-"shell skin"
-jawless (agnathan); filter feeders |
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Term
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Definition
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Term
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Definition
| "plated skin" (early fish) |
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Term
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Definition
| ancestors of modern jawed fish |
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Term
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Definition
-vertebrate
-gills
-poikilotherm
-aquatic
-fins & scales |
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Term
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Definition
-hagfishes ("slime eels")
-jawless marine scavengers) |
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Term
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Definition
-lampreys
-live in freshwater
-jawless but not closely related to hagfishes |
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Term
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Definition
-cartilagenous fish
-placoid scales
-no swimbladder
-use urea for osmoregulation |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| lobe-finned fishes (lungfish) |
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Term
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Definition
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