BIOL102 LECTURE QUIZ 9 REVIEW GUIDE

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Campbell Biology
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1

Lack backbone

Invertebrates

2
  • Body plan: sac
  • No symmetry
  • Cellular level of organization
  • Sedentary; sessile
  • Marine or freshwater habitat
  • Suspension feeder
  • Have choanocytes; amoebocytes

Who am I? What phylum am I in?

Sponges, Phylum Porifera

3

Perforated with pores

Sac

4

What is the cavity in sponges known as?

Spongocoel

5

Mouth or opening at top

Osculum

6

Outer layer of tightly packed cells

Epidermis

7

Two layers separated by gelatinous middle region called Mesohyl

Wall

8

Donut shaped cells in body wall

Porocytes

9

Collared feeding cells that line the spongocoel

Choanocytes

10

Wandering cells; use pseudopods to transport nutrients to other cells of sponge; produce fibers for spicules

Amoebocytes

11

Tough skeletal fibers produced by amoebocytes

Spicules

12

Sponges that have silica spicules

Glass sponges

13

Sponges that have calcium carbonate spicules

Chalk sponges

14

Sponges that have spongin

Bath sponges

15

How do sponges reproduce?

  • Sequential Hermaphroditism
  • Asexual Reproduction
16

Jellies, Corals, and Hydras are in which phylum

Phylum Cnidaria

17
  • Body plan: sac
  • Radial symmetry
  • Tissue level of organization
  • Sessile and free floating forms
  • Aquatic habitat
  • Carnivorous
  • Have cnidocytes

Who am I? What phylum am I in?

Phylum Cnidaria

18

Which phylum has incomplete digestive systmem

Phylum Cnidaria

19

Two types of body plans in Cnidarians?

  1. Sessile Polyp
  2. Floating Medusa
20

Defense cell, captures prey; contains nematocyst

Cnidocyte

21

Stinging capsules within cnidocyte containing inverted thread that has poision

Nematocyst

22

Four major classes of Cnidaria

  1. Hydrozoa
  2. Scyphozoa
  3. Cubozoa
  4. Anthozoa
23
  • Both polyp & medusa in most
  • Most marine; some freshwater
  • Polyp often colonial

Name the class

Hydrozoa

24
  • Polyp reduced
  • All marine
  • Medusa up to 2m

Name the class

Scyphozoa

25
  • Box-shaped medusae
  • All marine
  • Complex eyes

Name the class

Cubozoa

26
  • Polyp only
  • All marine
  • Most sessile; many colonial

Name the class

Anthozoa

27

Portuguese Man-of-War and Obelia are examples of?

Hydrozoa

28

Jellies and Sea Nettles are examples of?

Scyphozoa

29

Box jellies and Sea Wasps are examples of?

Cubozoa

30

Sea anemones and most corals are examples of?

Anthozoa

31

Animals with bilateral symmetry and triploblastic development are in which clade?

Clade Bilateria

32

Molluscs and Annelids are

Trochozoans

33

Ectoproct and Brachiopods are

Lophophorates

34

A crown of ciliated tentacles surrounding the mouth

Lophophorates

35

Flatworms are in which phylum

Phylum Platyhelminthes

36
  • Body plan: sac with gastrovascular cavity
  • Bilateral symmetry
  • Organ level of organization
  • Marine; freshwater; damp terrestrial
  • Parasites of humans
  • Have flame cells

Who am I? What phylum am I in?

Flatworms, Phylum Platyhelminthes

37
  • Mostly free-living
  • Most marine, some freshwater, some terrestrial
  • Predators; scavengers

Name the class

Turbellaria

38
  • Marine and freshwater parasites
  • Infect external surfaces of fish
  • Ciliated larva starts infection

Name the class

Monogenea

39
  • Flukes
  • Parasites of vertebrates
  • Two suckers attach to host
  • Life cycles includes intermediate host(s)

Name the class

Trematoda

40
  • Tapeworms
  • Parasites of vertebrates
  • Scolex attaches to host; proglottids
  • Life cycle includes intermediate host(s)

Name the class

Cestoda

41

Planarian is an example of?

Class Turbellaria

42

Clusters of nerves near sensory input

Ganglia

43

Flaps that detect chemicals

Auricles

44

Ciliated cells that waft fluid through branched ducts opening to the outside

Flame cells

45

External parasites on fish, amphibians, shellfish, cephalopods, cetaceans, reptiles

Ectoparasites

46
  • Most ectoparasites
  • Free swimming larval stage

Name the class

Class Monogenea

47
  • Dorsoventrally flattened
  • Suckers on both ends
  • Tough covering
  • Systems reduced
  • Ingestion of contaminated food or water

Name the class

Class Trematoda

48
  • Parasitic in animals
  • May be as long as 3 M
  • Have scolex, neck, and proglottids
  • Hermaphroditic

Name the class

Class Cestoda

49
  • Taenia saginata
  • Taenia solium
  • Echinococcous granulosus
  • Diphyllobothrium latum

All of the above are examples of?

Tapeworms

50
  • Wheel bearer
  • Pseudocoelomate
  • Freshwater, ocean, damp soil
  • Alimentary canal; complete digestive system
  • eats microorganisms in water
  • Crown of cilia

Name the phylum

Phylum Rotifera

51
  • Common name: lamp shells
  • Marine
  • Hinged shell
  • Attached to sea floor by stalk

Name the phylum

Phylum Brachiopoda

52

Snail, slugs, clams, oysters, mussels, octopus, squid are in which phylum?

Phylum Mollusca

53
  • Bilateral symmetry
  • Triploblastic (organ)
  • Visceral mass, mantle, muscular foot
  • Mantle cavity
  • Most marine, some freshwater, some land snails
  • Trochophore larvae

Name the phylum

Phylum Mollusca

54

Straplike rasping organ to scrape up food

Radula

55

Fold of tissue; covers visceral mass and secretes shell

Mantle

56
  1. Polyplacophora
  2. Gastropoda
  3. Bivalvia
  4. Cephalopoda

Above classes are in which phylum?

Phylum Mollusca

57
  • Oval shaped exclusively marine animals; intertidal or subtidal
  • Encased in an armor of eight dorsal calcareous articulating plates
  • Can roll into a ball if dislodged from rocky substrate
  • Body itself is unsegmented; consists of a tough girdle
  • No head; foot for locomotion; radula

Who am I?

Chiton

58

Chitons are in which class?

Class Polyplacophora

59
  • Three-quarters of all living species of molluscs
  • Marine, freshwater, terrestrial
  • Asymmetrical body; coiled shell
  • Shell reduced or absent in some
  • Foot for locomotion; radula

Name the class

Class Gastropoda

60
  • Head with eyes at tips of antennae
  • Movement by rippling motion of foot
  • Eats algae, plants, tree leaves
  • Operculum

Who am I?

Snail

61

Covering of opening when animal is retracted into shell

Operculum

62
  • Marine and freshwater
  • Flattened shell with two valves; hinged laterally at midline; adductor muscle holds shell closed
  • Head reduced; no radula; paired gills for gas exchange, feeding
  • Some have eyes and sensory tentacles along the edge of mantle
  • Suspension feeders
  • Mantle forms siphons
  • Open circulatory system

Name the class

Class Bivalvia

63

Clams, mussels, scallops, oysters are in which class

Class Bivalvia

64

I can dig into mud. Who am I?

Clam

65

I am sessile and connected by byssal threads to substrate. Who am I?

Mussel

66

I skitter along sea floor by clacking shells together. Who am I?

Scallop

67
  • Marine
  • Active predators
  • Foot modified to muscular excurrent siphon and parts of tentacles and head
  • Head surrounded by grasping tentacles
  • Beak-like jaws to inject immobilizing poison
  • Mouth with or without radula
  • Shell missing in octopuses; reduced in squid and cuttlefish; remains in chambered nautilus
  • Closed circulatory system; sense organs; complex brain
  • Locomotion by jet propulsion using siphon made from foot

Name the class

Class Cephalopoda

68
  • Triploblastic
  • Bilateral symmetry
  • Tube within tube
  • Coelomate
  • Little rings

Name the phylum

Phylum Annelida

69

Bristles made of chitin

Chaetae

70

Paddle-like or ridge-like pair of structures; function: locomotion

Parapodia

71

A modification of a section of the body wall that consists of a glandular thickening near the gonopores

Clitellum

72
  • Mostly marine segmented worms
  • Free swimming; burrowing; tube dwelling
  • Well developed head
  • Each segment has parapodia with chaetae

Name the class

Polychaeta

73
  • Freshwater, marine, terrestrial segmented worms
  • Reduced head
  • No parapodia
  • Few chaetae

Name the class

Oligochaeta

74
  • Freshwater, some marine; reduced segmentation
  • Body flattened with reduced coelom
  • Chaetae absent
  • Suckers at anterior and posterior ends
  • Parasites, predators, and scavengers

Name the class

Hirudinea

75

Fan Worms, Feather Duster Worms, Lug Worms, Clam Worms, Bristle Worms are in which class?

Class Polychaeta

76
  • Thin walled structure
  • Storage function
  • Birds, Gastropods, Earthworms, Leeches, Insects

A Crop or Gizzard?

Crop

77
  • Gastric mill
  • Thick walled structure
  • Lower stomach
  • Aid in grinding of partially digested food using ingested grit or gravel
  • Birds, reptiles, earthworms

A Crop or Gizzard

Gizzard

78

Leech secretes ________ and ________.

Anesthetic and anti-coagulant

79

Shedding tough external cuticle

Ecdysis