Bio Lab Exam #2 Flashcards Preview

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Flashcards in Bio Lab Exam #2 Deck (89):
1

The habitat for chytrids is

Aquatic

2

What three characteristics distinguish chytrids from other fungi d

Flagellated zoospores, cannot form true mycelium, have a aseptate hyphae

3

How are zygometous fungi similar to chytrids

They aseptate hyphae

4

Describe sexual reproduction in zygomecetes

Zygosporangium formed by plasmogamy of two types of stains (+ -) they act like gametophytes

5

What is a common example of zygomycetes

Bread mold

6

What do phylum glomermycota form with vascular plants

Arbuscular mycorrhizae

7

Describe the relationship between glomerulomycetous

Plants provide fungus with carbs and then fungi acts as roots for the plant giving it water and nutrients

8

Sac and club fungi hyphae are divided by what

Septa

9

Describe the fruiting body of the ascomycetous

Sexually produced spores are called ascospores, they are produced in the sporangium called the ascus. Asci aggregate along the inner surface, 8 ascus will form

10

List 3 features of yeasts

Unicellular, lack ascocarp, reproduce by budding

11

Describe the composition of lichen

Made from green algae or Cyanobacteria and a fungus

12

What is the bushy growth of lichen

Fruticose

13

What is the leafy growth of lichen

Foliose

14

What is the encrusting growth of lichen

Crustose

15

What are the 4 clauses within non flowering plants

Conifers, Gingko, Cycans, gnetophytes

16

What do dioecious and monoecious mean

Dioecious - male and female plants

Monoecious- one plant has both reproductive tissue

17

What is the growth form, leaf type, reproductive structure of gingko

Gymnosperm
Male- pollen cone
Female- no strobili, have two ovules at branch stalk

Leaves are megaphylls

18

Cycads growth form, leaf type, and reproductive structure

Gymnosperm
Leaves- megaphyll
Male- cone strobilus
Female-strobili

19

How is pollen dispersed

Wind

20

Flowers consist of modified

Leaves

21

Mono or flowers are arranged in multiples of what

Multiples of 3

22

Eudicots arranged arrange in multiples of what

4-5

23

Fruits are mature

Ovaries

24

Seeds are mature

Ovules

25

What is a simple fruit

From one ovary of one flower

26

What is an Aggregate

Forms from more then one ovary of one flower

27

What is a multiple fruit

Forms from many fruits

28

Phylum Bryophyta has three main groups, name them

Liverworts, hornwort, mosses

29

Is sporophyte vascular or non vascular

Vascular

30

Is gametophyte vascular or non vascular

Non vascular

31

Are clubs mosses, mosses, ferns, whisk ferns and horse tails homospory

All except club mosses

32

Are clubs mosses, mosses, ferns, whisk ferns and horse tails heterospory

Club mosses

33

Are clubs mosses, mosses, ferns, whisk ferns and horse tails have megaphyll

Ferns, whisk fern, horse tail

34

Do clubs mosses, mosses, ferns, whisk ferns and horse lack true leaves

All except mosses

35

Do clubs mosses, mosses, ferns, whisk ferns and horse tails have microphylls

Mosses and club mosses

36

What is 3 uses for sphagnum

Wound coverings
Feminine hygiene products
Diapers

37

What are enations and that plants have them

Out growths on plants instead of leaves, found in whisk ferns

38

What are elaters and what plant are they found in

They cause the spore to push apart and leave the sporangium

39

What is an annelid

A segmented worm

40

What is an arthropod

Means jointed legs

41

Describe the digestive system of an earth worm and does it like up with segments

Mouth at one end anus at the other,

Digestive system does not line up w/ segments

Has specialized regions

42

Describe the nervous system of an earth worm and does it like up with segments

Nerve Cord runs ventricular along the surface, have a ring of nerves around the mouth

43

Describe the excretory system of an earth worm and does it like up with segments

There is a nephridia ( kidney like organ) in each segment

44

What is the crop and gizzard

Crop-storage

Gizzard- grinds

45

How does the locomotion of Annelids work

Contracting side muscles allow the other side to extend moving them forward or backward , chaetae anchor them into the ground.

46

What is the feeding mechanism of earth worms

Muscular mouth ingests by sucking soil and vegetation, deposits indigestible materials as castings

47

Describe the habitats of polychaetaes and body features

Marine worms that can burrow in sand, some are sessile ( non-mobile)

Have parapodia ( paddle like ) used and fills and for locomotion

48

Describe a structure of polychaetes that distinguishes them from other Annelids

2 parapodia per segment

49

Describe a structure of hirudineans that distinguishes them from other Annelids

Suction cups at either ends

50

What are 2 characteristics of a skeletons of anthropoids

Made of chitin, restricts growth, provides protection, provides points for muscle attachment

51

How Are Arthropods segmentation different from segments of Annelids

Segments sometimes fuse and appendages become specialized

52

List 4 different arthropods appendage functions

Mouth parts, legs, antennae, swimming

53

What are the first segments of appendages of chelicerates called and their functions

Cheliceraes

Used for grasping and piercing

54

Do chelicerates have antennae

No

55

How many pairs of walking legs do chelicerates have

4

56

Myriapods include 2 main groups

Centipede and milipeds

57

Phylum Hexapoda reflects what

number of appendages

58

What region do wings extend from

Thorax, made from same proteins as cuticle

59

What is a compound eye? And what organisms have then

Detects edges and shapes but cannot make a full image

Found in insects, crustaceans, and some centipedes

60

What is complete metamorphism

Egg - to- larva(feeding stage) - to- pupa( dormant)- to- adult ( reproductive)

61

Incomplete metamorphism

Nymphs resemble adults but are smaller, go through a series of molts until they reach full size

62

Echinodermata means what

Spiny skin

63

What are krill

Zooplankton

64

What the skeletons of Echinodermata made from

Calcium carbonate

65

What symmetry do Echinoderms have?

Penta radical multiples of 5

66

Describe Echinoderm locomotion

Tube feet attach to solid objects and are able to bend and retract to allow movement

67

What are pedicellariae

Jaw like spines that protect the surface form settling larva, and help to capture prey

68

What is the aristotles lantern and what organism is it found in

Sea urchins, specialized for eating kelp

69

In arachnids what is the second segments appendage? And what does it do?

Pedipalp - handles food

70

List 2 advantages Platyhelminthes have due to being dorsal ventrally flattened

Provides a large surface for gas diffusion

Diffuse metabolic waste

71

What is the head of the tape worm specialized for

Holding onto the intestine by hooks and suckers

72

How do tapeworms acquire nutrients

Diffusion p

73

What organism lives in aquatic sediments

Nematode

74

What is an example of a nematode

Round worm

75

Is a octopus a mollusc

Yes

76

What is a Chiton

A flattened mollusc that has 7 or 8 overlapping plates

77

What is a Gastropoda

Snails, slugs, abalone

78

What are bivalves

Clams, oysters, scallops

79

What are Cephalopoda

Octopus, squid, cuttlefish, nautiluses

80

What is the structure and function of a radula

Is like a tooth chitinous ribbon the is specialized and able to drill through bivalve shells

81

What are the 4 classes of molluscs

Polyplacophoran
Cephalopod
Bivalve
Gastropoda

82

What is a unique characteristic of polyplacophora (chiton)

8 dorsal plates

83

What is a unique characteristic of gastropod (snail)

Anus and mantle are above its head

84

What is a unique characteristic of bivalve (clam, oysters, mussels, scallops)

Divided into left and right sides

85

What is a unique characteristic of Cephalopoda(squid, octopus, cuttlefish)

Well developed sensory organs/ complex

86

Annelids are decided into 3 classes, what are they?

Oligochaeta (earthworms)
Polychaeta (polychaete)
Hirudinea (leeches)

87

Arthropod has 4 main groups, what are they?

Cheliceriform- spider, horse shoe crab, scorpion, mite, tick
Modernly called arachnids

Myriapods- centipedes, millepedes

Hexapods - insects and relatives

Crustaceans - lobsters, prawns, crabs, shrimp

88

What is clitellum

No segmented region of earth worms, produces a viscid sac/ cocoon for egg deposits

89

What are the three fused body segments of arthropods

cephalothorax, abdomen, telson

Cephalothorax is a fused head+thorax

Telson is the last segment and it's appendages