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Biology lab practical 1 (pt.1)
  • Olivia Lakner

  • 問題数 100 • 9/15/2024

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    問題一覧

  • 1

    Most land plants have bodies covered in __________ that prevents water loss.

    waxy cuticle

  • 2

    in nonvascular plants the sporophyte grows out of the

    archegonium

  • 3

    The fern sporophyte is called the

    frond

  • 4

    The most successful land plants are those that

    protect all phases of reproduction (sperm, egg, zygote, and embryo) drom drying out and have a way to disperse offspring on land.

  • 5

    land plants have a two generation life cycle called

    alternation of generations

  • 6

    In the nonvascular plant life cycle, meiosis occurs during the production of

    haploid spores

  • 7

    What features would you expect to find in a plant fully adapted to life on land?

    vascular tissue, waxy cuticle, reproduction protected from drying out

  • 8

    What is the area labled in red called?

    capsule

  • 9

    What plant is this?

    lycophyte (club moss)

  • 10

    Label the box in red

    sporophyte 2n

  • 11

    in the nonvascular plant life cycle, the generation that produces gametes is:

    n

  • 12

    Label the box in red

    meiosis

  • 13

    What is this?

    female liverwort gametophyte with archegonia

  • 14

    The ____\\ is dominant in the seedles vascular plants

    sporophyte

  • 15

    What is the are in red called?

    stalk

  • 16

    In the human life cycle, meiosis occurs during the production of

    gametes

  • 17

    The top of the male moss shoot contains the antheridia, the reproductive structures where sperm are produced. What is the chromosome number of the sperm? (2n or n) are the surrounding cells haploid or diploid?

    n, haploid

  • 18

    Lycophytes have leaves called______ becuase they only have one strand of vascular tissue

    microphylls

  • 19

    What is this?

    liverwort thallus with Gemma cups

  • 20

    what are some examples of nonvascular plants?

    moss, liverwort

  • 21

    Label this liverwart part in red

    thallus

  • 22

    in nonvascular plants flagellated sperm are in the _______________.

    anteridia

  • 23

    What plant is this?

    horsetail

  • 24

    Label the red parts underlined in this horsetail plant.

    strobili

  • 25

    What is the area in red called?

    teeth

  • 26

    In nonvascular plants the _________________ (haploid) produces gametes (egg and sperm) by mitosis. The gametes then unite to form a diploid zygote. The zygote becomes the sporophyte by mitosis.

    gametophyte generation

  • 27

    Step 7 of the nonvascular moss life cycle

    a haploid immature gametophyte is made via mitosis. the spores germinated into a male and female protonrma, the first states of the male and female gametophytes.

  • 28

    When moss spores germinate what generation begins to develop?

    gametophyte

  • 29

    Label the area underlined in red of this club moss.

    rhizoids

  • 30

    In moss plants when sperm swim from the antheridia to the archegonia a zygote results. The zygote develops into the sporophyte. Is the sporophyte diploid or haploid?

    diploid

  • 31

    What is in this slide?

    moss archegonia

  • 32

    Psilotum is Representative of _________ Named for the resemblance to whisk brooms.

    whisk ferns

  • 33

    Charophytes have several features that would have promoted the evolution of land plants, including:

    retention and care of the zygote

  • 34

    Step 3 of nonvascular moss lifecycle

    the zygote is formed causing the generation to go from haploid to diploid. it develops into the sporophyte generation in the archegonium. (mitosis turns the zygote into a sporophyte)

  • 35

    List some seedless vascular plants

    ferns and club mosses

  • 36

    Label the area underlined in red of this club moss.

    leaves

  • 37

    A fern Gamrophyte is called a ______ which is small and usually heart shaped

    prothallus

  • 38

    Label the area underlined in red of this club moss.

    stem

  • 39

    In the plant life cycle one of the two generations always dominates the other. This means that-

    The dominant generation is larger and exists for a longer period.

  • 40

    Step 5 of nonvascular moss life cycle

    meiosis makes haploid spores that are dispersed by air currents.

  • 41

    Does this describe vascular or non vascular? -no vascular tissue -flagellated sperm that swims to egg -dominant gametophyte

    nonvascular

  • 42

    How does a Chara superficially resemble a land plant?

    It has branch like structures, and stem and leaf like appendages.

  • 43

    What is the area in red called?

    operculum

  • 44

    Molecular DNA studies, tell us that whiskferns, horsetails, and ferns are

    closely related

  • 45

    in non vascular plants the gametophyte produce eggs within the __________.

    archegonia

  • 46

    Label the red parts underlined in this horsetail plant.

    rhizoid

  • 47

    Label the box in red

    gametophyte n

  • 48

    What is this?

    sori

  • 49

    Examine this liver wart marchantia thallus, what generation is this sample?

    haploid gametophyte

  • 50

    What is this structure

    a mature sporophyte attached to a female gametophyte

  • 51

    Label this liverworts part in red

    gemma

  • 52

    This describes what? -flagellated sperm -gametophyte dependent on sporophyte, which has vascular tissue

    seedless vascular plants

  • 53

    In seedless vascular plants the spores develop into a separate gametophyte generation that is very small. The gametophyte lacks

    vascular tissue and produces flagellated sperm

  • 54

    Plants are multicellar photosynthetic eukaryotes; their evolution is marked by

    adaptations to a land existence

  • 55

    How are windblown spores an adaptation to reproduction on land?

    no worry about drying out and don't need water to get to transport. disperse

  • 56

    Is moss plants what process produces spores?

    meiosis

  • 57

    What is the line pointing to in this moss archegonia?

    egg

  • 58

    In nonvascular plants the sperm swim to the egg, and the embryo develops within the _________.

    archegonia

  • 59

    These plants were prevalent and quite large, forming the forests of the Carboniferous period.

    lycophytes (club mosses) and pteridophytes (ferns and horsetails)

  • 60

    Step 5 of the lifecycle of nonvascular moss

    when the lid of the capsule falls off the spores are mature

  • 61

    Step 1 of fern lifecycle. What is this?

    sporophyte

  • 62

    The gametophyte of liverwarts consists of lobes. Each lobe is about at cm or so in length; the upper surface is smooth, and the lower surface bears numerous _______. Root like hairs

    rhizoids

  • 63

    what reproductive and structural adaptations allowed plants to flourish on land? Name them all

    offspring dispersement, protection of reproductive areas, waxy cuticles.

  • 64

    In nonvascular plants- The ____________ (diploid) PRODUces haploid spores bt meiosis, Spores develop into a haploid generation by mitosis.

    sporophyte generation

  • 65

    What is this?

    male liverwort gametophyte bearing antheridia

  • 66

    Are seedless vascular plants fully adapted to living on land?

    no they still depend on water for reproduction

  • 67

    examine a preserved specimen of psilotum and note that it has no leaves. the underground stem, called a rhizome gives off upright, aerial stems with a dichotomous branching pattern, where bulbous sporangia are located. What generation are you examining?

    diploid

  • 68

    Label the area underlined in red of this club moss.

    strobili

  • 69

    in nonvascular plants the sporophyte is dependent on the __________________ for nourishment,

    female gametophyte

  • 70

    What is this pointing to in this moss antheridia?

    sperm

  • 71

    During this time period plant began forming the coal deposits we have today?

    carboniferous

  • 72

    Land plants require structural support to oppose the force of gravity and to lift their leaves towards the sun. ______________ offer this support and transports water to, and nutrients from the leaves.

    vascular tissue

  • 73

    what happens in the sporophyte generation in nonvascular plants?

    haploid spores are produced by meiosis. the spores develop into a haploid generation by mitosis.

  • 74

    Label this liverwart part in red

    rhizoids

  • 75

    What is the function of vascular tissue in plants?

    transportation of nutrients

  • 76

    What is the area in red called?

    sporophyte

  • 77

    how did Chara become the first land plants?

    it was a plant that could live in shallow ponds that occasionally dry up. They adapted to the periodic drying and they adapted to invade the land. Making them eventually become the first land plants.

  • 78

    Step 1 of nonvascular moss lifecycle

    a mature nonvascular moss gametophyte (haploid) has leafy shoots with either archegonia or antheridia, where gametes are produced by mitosis

  • 79

    Among aquatic green algae; the ___________ are the most closely related to the explants that now live on land.

    charophytes

  • 80

    Where are sporangia in horsetails?

    strobili

  • 81

    The top of a female moss shoot contains archegonia, the reproductive structures where eggs are produced. What is the chromosome number of the egg? Are the surrounding cells haploid or diploid?

    n, haploid

  • 82

    A fern prothallus contains

    both archegonia and antheridia

  • 83

    Step 2 of Nonvascular moss lifecycle

    fertilization. flagellated haploid sperm produced in the antheridia swim to external water to the archegonia.

  • 84

    In liverworts are ________ on the upper surface of the thallus. These contain groups of cells called _____ that can asexually start new plants.

    Gemma cups, gemmae

  • 85

    Step 4 of nonvascular moss lifecycle

    the sporophyte is now mature. where meiosis will produce spores

  • 86

    Lucophytes are commonly called

    club mosses

  • 87

    What is this figure and what is the arrow pointing to?

    a moss capsule and spores

  • 88

    The gametophyte is ________ in all nonvascular plants.

    dominant

  • 89

    In the human life cycle, the individual that produces gametes is

    2n

  • 90

    does this describe vascular or non vascular? -vascular tissue to transport water -sperm protected from drying out -dominant sporophyte

    vascular

  • 91

    In seedless vascular plants the dominant sporophytes adaptations for living on land

    it has vascular tissue and produces windblown spores

  • 92

    Label the red parts underlined in this horsetail plant.

    leaves w/ branch

  • 93

    Label the box in red

    fertilization

  • 94

    What plant is this?

    a chara

  • 95

    what happens in the gametophyte generation in nonvascular plants?

    gametes are produced by mitosis. The gametes then unite to form a dipoolid generation that becomes the sporophyte by mitosis.

  • 96

    What is this slide showing?

    moss antheridia

  • 97

    Label this liverwart part in red

    Gemma cup

  • 98

    Lycophytes are representative of the first

    vascular plants

  • 99

    What is the area in red called?

    sporangium

  • 100

    Label the red parts underlined in this horsetail plant.

    stem