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Biology 102 > Ch. 33 pt 2 > Flashcards

Ch. 33 pt 2 Flashcards

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1
Q

What are the three types of coelomates

A

1) protostomes
2) deuterostomes
3) lophophorates

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2
Q

lohpophore

A

ciliary feeding device that functions in respiration

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3
Q

What are the 3 phylums of lophophorates?

A

1) Phoronida
2) Bryozoa
3) Brachiopoda

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4
Q

Characteristics of phylum phoronida (2)

A

1) tube-dwelling marine worms
2) secretes tube in ground, lophophore sticking out

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5
Q

Characteristics of phylum bryozoa (2)

A

1) Small colonial animals
2) secretes and lives in zoecium

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6
Q

Characteristics of phylum brachiopoda (2)

A

1) 2 shelled marine
2) dorsal and ventral valve

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7
Q

characteristics for Mollusca body (5)

A

1) soft 3 part body sometimes covered in shell
3 parts: foot, visceral mass, mantle
2) coelum around heart
3) open cirulatory system (except Cephalopoda)
4) metanephridia
5) radula

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8
Q

characteristics for Mollusca reproduction (4)

A

1) separate sexes (except snails)
2) gonads in visceral mass
3) external fertilization
4) ciliated larva (trochophore)

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9
Q

Radere

A

scrape

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10
Q

4 classes of Mollusca

A

1) Polyplacophor
2) Gastropoda
3) Bivalvia
4) Cephalopoda

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11
Q

poly

A

many

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12
Q

placo

A

plate

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13
Q

characteristics of Polyplacophora (2)

A

1) 8 dorsal plates
2) suction cup foot

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14
Q

Characteristics of Gastropoda (3)

A

1) eyes on tentacles
2) move with foot (rippling motion)
3) land snails use vascular mantle for gas exchange

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15
Q

Characteristics for Bivalvia (7)

A

1) shell with two halves
2) adductor muscle keeps it together
3) no head
4) can open shell so foot can move or anchor (scallops move by clapping valves)
5) gills: feeding (mucus), gas exchange
6) cilia move food from gills to mouth
7) incurrent & excurrent siphons move water over gills

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16
Q

characteristics of Cephalopoda (7)

A

1) complex, fast, marine predator
2) closed circulatory system
3) beak-like jaw
4) foot modified into muscular siphon
5) change color
6) developed brain (ability to learn), and developed sense organs
7) nervous system

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17
Q

Characteristics of phylum annelida (7)

A

1) segments divided by septum
2) coelum acts as hydrostatic skeleton
3) movements: circular and longitudinal muscles
4) double transport system: circulatory system & coelomic fluid
5) digestive system complete and unsegmented
6) external sexual reproduction, fission asexual reproduction
7) have setae (except leaches)

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18
Q

characteristics of class clittelata (2 types)

A

earthworms: eat through soil, extract nutrients
Hirudinea (leaches): hirudin (anticoagulant)

19
Q

characteristics of class Polychaeta (4)

A

1) each segment contains parapodia
2) parapodia function for gills and locomotion
3) parapodium contain several setae
4) setae provide traction when crawling

20
Q

setae

A

bristle

21
Q

characteristics of phylum Arthropoda (9)

A

1) exoskeleton: chitin and proteins
2) segments for locomotion, food handling, and reproduction
3) tagmata: fused segments
4) extensive cephalization (5 senses and balance)
5) ommatidia: compound eyes
6) open circulatory system
7) gas exchange: gills, tracheal system with spiracles, book lungs
8) complete digestive system
9) excretory: mentanephridia, Malpighian tubules

22
Q

characteristics of subphylum chelicerata (2)

A

1) 2 tagmata: cephalothorax, abdomen
2) 4 pairs of legs, pedipalp, chelicerae

23
Q

characteristics of subphylum crustacea (3)

A

1) swimmerets
2) cuticle covering cephalothorax
3) metanephridia

24
Q

2 classes of subphylum myriapoda

A

1) Diplopoda: millipedes, 2 pairs of legs per segment and herbivores
2) Chilopoda: centipedes, 1 pair of legs per segment and carnivores with poisonous claws

25
Q

chilo

A

lip

26
Q

Characteristics for subphylum Hexapoda (3)

A

1) antennae for smelling
2) separate sexes with internal fertilization
3) metamorphosis

27
Q

2 types of metamorphosis

A

complete: 4 stages with adult and larval stages different
incomplete: 3 stages with young resembling adults

28
Q

Characteristics of Phylum Echinodermata (8)

A

1) 5 part modified radial symmetry larvae are bilateral
2) no cephalization
3) simple nervous system (no brain)
4) endoskeleton covered with spines and pedicellariae
5) water vascular system with tube feet functioning in movement, gas exchange, and feeding
6) complete digestive system
7) no excretory organs (respire and excrete by diffusion)
8) autotomy

29
Q

what is autotomy?

A

intentionally detaching body part that will later regenerate

30
Q

auto

A

self

31
Q

-tomy

A

cutting

32
Q

Echinodermata reproduction

A

separate sexes with external fertilization

33
Q

5 classes of Phylum Echinodermata

A

1) Asteroidea
2) Ophiuroidea
3) Echinoidea
4) Crinoidea
5) Holothuroidea

34
Q

Characteristics of Class Asteroidea

A

1) regenerate lost arm
2) Feed on bivalves by prying them open and inserting the stomach with enzymes
ex) seastar

35
Q

aster

A

star

36
Q

ophiuroidea

A

Brittle star

37
Q

ophis

A

snake

38
Q

Echinoidea

A

no arms but have 5 rows of tube feet
ex) sea urchins and sand dollars

39
Q

erchin

A

spiny

40
Q

Crinoidea

A

use their arms in suspension feeding
ex) sea lilies

41
Q

Krinon

A

lily

42
Q

Holothuroidea

A

1) reduced endoskeleton
2) sea cucumbers have 5 rows of tube feet, some are feeding tentacles
3) breath through anus

43
Q

Holo

A

whole

Biology 102 (38 decks)

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