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7th Grade Science > 7th Science Plants Outline > Flashcards

7th Science Plants Outline Flashcards

1
Q

What are the seven characteristics of plants?

A
  1. Eukaryotic cells
  2. Plants cells contain chloroplasts and chlorophyll
  3. Multicellular
  4. Size varies -very small to very large
  5. Cuticle - waxy protective layer on leaves, stems and flowers
  6. Plant cells have cell walls made of cellulose
  7. Producers - aka autogroph
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2
Q

Plant classifications are?

A
  1. Phyla are called Divisions
  2. Binomial nomenclature
  3. Genus species
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3
Q

To move things from one place to another?

A

Transport

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4
Q

Composed of tubelike cells that transport water and nutrients to plants?

A

Vascular Tissue

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5
Q

Carries water and dissolved nutrients from roots to stem?

A

Xylem

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6
Q

Carries dissolved sugars throughout plant?

A

Phloem

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7
Q

Way in which water and nutrients move from cell to cell in mosses?

A

Osmosis and Diffusion

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8
Q

What type of plants can be described as:

  1. lack vascular tissue
  2. osmosis and diffusion
  3. moist environments
  4. DO NOT have roots, stems or leaves
  5. have rhizoids
  6. spores?
A

Nonvascular Plants

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9
Q

What type of plants can be described as:

  1. 90% of plants
  2. have vascular tissue - xylem and phloem
  3. have roots, stems, and leaves
  4. all environments
  5. small to large in size
  6. spores and seeds ?
A

Vascular Plant

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10
Q

Daughter cell produced from a haploid structure?

A

Spores

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11
Q

A plant embryo, its food supply and a protective covering?

A

Seed

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12
Q

Leaves of ferns?

A

Frond

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13
Q

A structure that anchors a nonvascular plant to a surface?

A

Rhizoid

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14
Q

A group of similar types of cells the work together to carry out specific tasks?

A

Tissue

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15
Q

Vascular plants are classified by reproduction. Name the two types and explain difference.

A
  1. Vascular Seedless Plants - use spores to reproduce

2. Vascular Seed Plants - use seeds to reproduce

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16
Q

Name some examples of Vascular Seedless Plants.

A

Ferns, horsetail, club mosses

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17
Q

Name some examples of Vascular Seed Plants.

A

Redwood trees, azalea, gardenias, ryegrass, clover, carrots, and squash

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18
Q

What do stems do?

A
  1. connect roots to leaves
  2. support branches and leaves
  3. contain vascular tissue
  4. transport water, minerals and food.
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19
Q

How are stems classified?

A
  1. Herbaceous - soft and green

2. Woody - stiff usually not green

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20
Q

What vascular tissue transport water and nutrients from roots to leaves?

A

Xylem

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21
Q

What vascular tissue transports dissolved sugars from leaves to roots?

A

Phleom

22
Q

What is a layer to tissue that produces new vascular tissue and grows between xylem and phleom?

A

Cambium

23
Q

What can be woody or herbaceous and trail on ground or climb a structure?

A

Vines

24
Q

What are modified stem with sharp pointed end?

A

Thorns

25
Q

What is the major site of photosynthesis and cellular respiration?

A

Leaves

26
Q

What are the top and bottom layers of leaves called?

A

Epidermal Cells

27
Q

What is the waxy, protective layer on leaves, stems and flowers AND reduce amount of water evaporating from plant leaf called?

A

Cuticle

28
Q

What does this describe:

  1. small opening in the epidermal layer of leaves
  2. opens to allow carbon dioxide, oxygen and water vapor to pass though.
  3. have 2 guard cells around it to control its size?
A

Stoma (singular) ot Stomata (plural)

29
Q

What does this describe:

  1. below upper epidermis
  2. main site of photosynthesis
A

Palisade Mesophyll Cell

30
Q

What does this describe:

  1. below palisade mesophyll cells
  2. enables gasses to diffuse throughout a leaf?
A

Spongy Mesophyll Cell

31
Q

What does this describe:

  1. contain diploid plant embryo
  2. food supply for embryo
  3. hard outer covering?
A

Seeds

32
Q

What are haploid structures?

A

Spores

33
Q

How are seeds dispersed?

A

Seeds are carried by water, wind, and animals or humans

34
Q

What can be described as:

  1. seeds produced in fruit
  2. all produce flowers
  3. almost all food we eat comes from plants in this group?
A

Angiosperms

35
Q

What can be described as:

  1. seeds produced in cone
  2. flowerless?
A

Gymnosperms

36
Q

Name some examples of angiosperms.

A

Tulips, roses, grasses, peach trees, pecan trees

37
Q

Name some examples of gymnosperms.

A

Conifers like pine trees and redwood trees, cycads, gingkoes gnetophytes

38
Q

Angiosperms are classified into what two groups?

A

Monocot and Dicot

39
Q

What type of angiosperms can be described as:

  1. leaves are narrow with parallel veins
  2. flower parts in multiples of 3
  3. vascular tissue in bundles scattered
  4. one cotyledon?
A

Monocot

40
Q

What type of angiosperms can be described as:

  1. leaf veins are branched
  2. flower parts in multiples of 4 or 5
  3. vascular tissue in bundles in rings
  4. two cotyledon?
A

Dicot

41
Q

How are plant root classified?

A
  1. Taproots
  2. Fibrous roots
  3. Modified roots
42
Q

What is a main root that grows straight down deep into the ground?

A

Taproot

43
Q

Name some examples of taproots.

A

Carrots, pine trees

44
Q

What is a many threadlike roots of equal length that spread out through the soil forming a mat?

A

Fibrous roots

45
Q

Name some examples of fibrous roots.

A

Tomatoes, pansies

46
Q

What is a tubers?

A

Modified root

47
Q

Name an example of a modified root.

A

Potato

48
Q

Species of plants that are indigenous or naturalized to a given area?

A

Native Plants

49
Q

An introduced, alien, or exotic species is a species living outside its native range?

A

Nonnative Plants

50
Q

Nonnative plants thriving outside cultivation, expanding into natural areas and disrupting native plant communities?

A

Invasive Plants

7th Grade Science (19 decks)

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