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biology 102 > lab quiz 4 > Flashcards

lab quiz 4 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

gills have

A

many thin folded layers, cilia on surface, and two blood vessels going in opposite directions

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2
Q

mollusk basic parts

A

shell, mantle, mantle cavity, ventral foot, dorsal ventral mass, radula

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3
Q

shell

A

Composed of calcium carbonate; provides
protection for these soft bodied animals

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4
Q

mantle

A

thin layer of tissue covers the visceral mass on both
sides, lies between the visceral mass and the shell; it secretes the shell

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5
Q

mantle cavity

A

Space between visceral mass and mantle, in many molluscs the gills are suspended here

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6
Q

ventral foot

A

Muscular; used for locomotion in generalized mollusc

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7
Q

dorsal ventral mass

A

Location of digestive, reproductive, excretory organs—makes sense that these soft organs would be located dorsally under the shell for protection, mollusca means “soft bodied

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8
Q

radula

A

A toothed tongue; it scrapes food, like algae, off surfaces and/or shreds food into smaller pieces

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9
Q

hemoceol

A

main body cavity in mollusc and arthropods

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10
Q

coelom in mollusc

A

reduced to cavity just around the heart.

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11
Q

closed circulatory system

A

cephalopod circulatory system

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12
Q

open circulatory system

A

non cephalopod molluscs circulatory system and arthropod circulatory system

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13
Q

kidney

A

excretory system of molluscs

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14
Q

kidney steps

A
  1. unselective filtration of coelomic fluid 2. selective reabsorption 3. excretion
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15
Q

ammonia and uric acid

A

aquatic and terrestrial nitrogenous waste in molluscs

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16
Q

Polyplacophora

A

chitons

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17
Q

gastropoda

A

slugs and snails

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18
Q

bivalvia

A

clams, mussels, scallops, oysters

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19
Q

cephalopoda

A

squid, octopus, cuttlefish, nautilus

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20
Q

mollusc and arthropod digestive tract

A

complete digestive tract

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21
Q

bivalve feeding strategy

A

active suspension feeding

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22
Q

bivalve nervous system

A

less centralized and less cephalized

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23
Q

siphons

A

where water enters and exits the mantle cavity

24
Q

movement of blood in cephalopods

A

veins with deoxygenated blood –> gill heart –> oxygenated gills –>systemic heart –> arteries with oxygenated blood

25
Q

chromataphore

A

for cephalopod camouflage or communication

26
Q

buccal bulb

A

houses the radula and beak in squids

27
Q

squid nervous system

A

large brain, with sensory structures like eyes and tentacles to see and catch prey

28
Q

torsion

A

occurs only in gastropods, and rotates the visceral mass and mantle and results so the mantle cavity is over the head and mouth so the gut and nervous system are twisted

29
Q

pneumostome

A

opening on the right side of the mantle of a terrestrial slug

30
Q

parts of gastropod protected by shell

A

it varies but probably mantle cavity and visceral mass

31
Q

gastropod gas exchange

A

terrestrial no shell : pneumostome, aquatic : gills, terrestrial with shell: lungs

32
Q

gastropod sensory structures

A

light sensing tentacles, and chemical sensing tentacles.

33
Q

gastropod with no shell

A

slugs

34
Q

gastropod with shell

A

snails

35
Q

chitin habitat

A

intertidal zone

36
Q

grazer

A

chitin feeding strategy

37
Q

location of gills in chitins

A

contained within the mantle cavity of chitins

38
Q

tugmata

A

functional groups formed by fused segments

39
Q

exoskeleton

A

formed by cuticle in arthropods

40
Q

cuticle

A

has a waxy layer on outside then the inner layer is hard and made of chitin

41
Q

exoskeleton requirements

A
  1. hard enough for protection 2. light enough for mobility 3. versatile thickness and flexibility.
42
Q

exoskeleton functions

A

shape and support, attachment for muscles for locomotion, protection, prevention of water loss, integral part of sensory receptors.

43
Q

arthropod nervous system

A

ventral nerve cord with segmental ganglia

44
Q

4 respiratory organs in arthropods

A

gills, booked gills, lungs, and trachea

45
Q

spiricle

A

the external opening of the trachea

46
Q

Chelicerata

A

horseshoe crab, spiders, scorpions, mite

47
Q

crustatea

A

crayfish, crab, shrimp, barnacle

48
Q

Myriapoda

A

centipedes and millipedes

49
Q

hexapoda

A

grasshopper, cockroach, water bug, mealworm beetle, termite, walking stick

50
Q

what causes size constraint in arthropods

A

molting and exoskeleton weight and strength

51
Q

cheliped

A

in arthropods, one of the pair of appendages that have claws

52
Q

carapace

A

hard shell covering back in crustations

53
Q

chelicerea

A

first appendage: venomous fang of spider

54
Q

pedipalps

A

second appendage: on spider used to hold onto prey

55
Q

crustacea clade

A

includes crustacea and hexapods

56
Q

complete metamorphosis advantage

A

animal ends up not having to share food source like they would in incomplete metamorphosis

biology 102 (1 decks)

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