Plant Systems

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Why should we care about plants?

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Biology

10th

33 Terms

1

Why should we care about plants?

Food, provide oxygen, foundation of the food chain, important in the water cycle, provide habitatis, medicine, enjoyment and beauty

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2

Shoot System

System in flowering plants that is specialized to conduct food and water processes, photosynthesize, reproduce sexually

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3

Leaf

The main photosynthetic structure in plants

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4

Chloroplast

An organelle found in plant and algae cells where photosynthesis occurs; contain thykaloids

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5

Thykaloid

Arranged in stacks called grana; grana act as solar collectors using chlorophyll

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6

Photosynthesis

Light energy + CO2 + H2O --> C6H12O6 (glucose) + O2

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7

Flower

Specialized reproductive shoot of a flowering plant

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8

Stem

Supports branches, leaves, and flowers; provides a way to transport materials

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9

Root System

Anchors the plant; absorbs water through root hairs; conducts water and nutrient processes; stores food and nutrients

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10

Dermal Tissue

Tissue of the plant that makes up the waxy outer layer of the plant

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11

Epidermal

A thin layer of cells that cover the surface of leaves, stems, and roots

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12

Periderm

The tissue replacing epidermal tissue; creates bark on plants

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13

Vascular Tissue

Specialized tissue in plants that carries water and nutrients

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14

Xylem

Non-living tissue that transports water from the roots to the leaves

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15

Phloem

Living vascular tissue that carries sugar and organic substances throughout a plant

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16

Monocot

Vascular bundles arranged randomly throughout the stem

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17

Dicot

Vascular bundles arranged in a ring

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18

Ground Tissue

Tissue found between the vascular and dermal tissue

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19

Meristematic Cells

A type of stem cell that can differentiate into any type of plant cell

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20

Apical Meristem Tissues

Found in the tips of roots and shoots

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21

Lateral Meristem Tissue

Responsible for increasing the thichness of the stem

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22

Guard Cells

A pair of epidermal cells that control gas diffusion by controlling the opening and closing of stomata pores

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23

Palisade Cells

Closely packed photosynthetic cells within leaves

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24

Vegetative Reproduction

The process in which plants produce genetically identical offspring from it's roots or shoots

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25

Pollination

Sexual reproduction in which pollen grains meet an egg to create a fertalized seed

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26

Petals

Brightly colored and attract pollinators

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27

Sepals

Leaflike parts that cover and protect the flower bud

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28

Stamens

The pollen-producing male reproductive organ of a flower

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29

Anthers

Produce pollen

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30

Pistil

The female reproductive part of a flower

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31

Stigma

Sticky part of the flower to collect pollen

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32

Artificial Selection

Breeding organisms with specific traits in order to produce offspring with identical traits

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33

Genetically Modified Organisms

An animal, plant, or microbe whose DNA has been altered using genetic engineering techniques. Example: golden rice

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