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Biology > Specific Animal Phylas > Flashcards

Specific Animal Phylas Flashcards

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1
Q

phylum porifera

A

“pore bearers” - sponges (porous)

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2
Q

phylum porifera: specifics

A

sessile, asymmetrical, living pumps, lack tissues and organs, glass/calcium carbonate spicules for support

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3
Q

phylum porifera: functions

A

know functions of choanocytes and amoebocytes

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4
Q

phylum cnideria

A

“stinging nettle” - jellyfish, anemone, coral

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5
Q

cnideria specifics

A

diploblastic (have mesoglea - jelly instead), radial symmetry, medusa (looks like jellyfish) and polyp (looks like anemone) stages to life cycle

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6
Q

cnideria functions

A
  • tentacles have stinging cells called cnidocytes containing harpoons (nematocyst), used to capture prey and bring it into mouth - gastrovascular cavity (food and waste use same opening)
  • respiration, circulation, and excretion by diffusion
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7
Q

phylum platyhelminthes

A

“flat worm” - flatworms and tapeworms

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8
Q

platyhelminthes specifics

A

triploblastic, acoelomates, cephalization (eye spots and auricles (ears), no digestive tract (food and waster same opening)

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9
Q

types of platyhelminthes

A
  • free living- ex. planaria (pharynx, flame cells for excretion, regeneration of body)
  • parasitic- ex. tapeworms (pork and beef), attach to intestine wall with hooks and suckers and absorb food (thick tegument - no sensory organs, just eat and reproduce)
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10
Q

phylum rotifera

A

“wheel bearers” - spinning wheel shaped mouth parts to capture prey

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11
Q

rotifera specifics

A

-tiny, aquatic, transparent, look like protozoans, all female, asexual repro by parthenogenesis

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12
Q

phyum nematoda

A

“thread form”, roundworms, pinworms, hookworms

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13
Q

nematoda specifics

A

triploblastic, pseudocoelomate (tube within tube), have mouth and anus, free living in soil and water, mostly parasitic (tough cuticle to resist digestion by host), complete digestive tract, no circulatory or respiratory

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14
Q

phylum annelida

A

little rings, segmented worms- earthworms, marine worms, leeches

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15
Q

annelida functions

A
  • excretion with metanephridia (~kidney)
  • hermaphrodites (use clitellum to transger sperm)
  • digestive: mouth, pharynx, esophogus, crop, gizzard, intestine, anus
  • ganglia (cluster of nerves in head, brainlike) with ventral nerve cord
  • closed circulatory system (5 heart = aortic arches), dorsal and ventral blood vessel
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16
Q

phylum mollusca

A

thin shell, soft bodied in hard shell, snails, oysters, octopi

17
Q

mollusca specifics

A
  • 2nd largest phyla, aquatic (but some snails and slugs are found on land), food source for humans
  • open circulatory system, excretion with nephridia
18
Q

types of mollusca

A
  • gastropoda- (stomach foot), snails, muscular foot, visceral mass, mantle (secretes shell - calcium carbonate)
  • bivalvia- 2 shells, clams, mussels, most sessile, sea floor, filter feeders (plankton)
  • cephalopoda- (head foot), octopi and squid, smart brain and NS, predators, mouth = sharp beak, move by jet propulsion, prey sucked in by cups on tentacles
19
Q

phylum arthropoda

A

jointed foot

20
Q

arthropoda specifics

A

largest phyla, exoskeletons (chitin) (also molted), segmented bodies and appendages, open circulatory system with dorsal heart and ventral nerve cords

21
Q

types of arthropoda

A
  • Insects- 3 segments (head, thorax, abdomen), 6 legs, trachea and spiracles for respiration (undergo metamorphosis - egg, larva, adult)
  • crustaceans- segments (cephalothorax and abdomen), 10 legs, gills for respiration
  • spiders- same segments, 8 legs, chelicerae (piercing mouthparts), lungs for respiration
22
Q

phylum echinodermata

A

spiny skin, (starfish, sea urchins, sea cucumbers)

23
Q

echinodermata specifics

A
  • larvae- bilateral symmetry and adults- radial symmetry
  • thin skin covered by exoskeleton
  • water vascular system (network of canals that branch into tube feet - used for moving, feeding, and gas exchange)
24
Q

deuterostomia and coelomate

A

echinodermata

25
Q

bilateria, protostomes, and coelomates

A

annelida, mollusca, anthropoda

26
Q

bilateria and protostomes

A

platyhelminthes, rotifera, nematoda

27
Q

eumetazoans

A

cnideria

Biology (22 decks)

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