Plant tissue and organ systems

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3 types of plant tissues

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Biology

8th

22 Terms

1

3 types of plant tissues

Dermal, vascular, ground

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2

2 types of dermal tissue

Epidermal and periderm

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3

Epidermal tissue

  1. a thin layer of cells that cover the surface of leaves, stems and roots

  2. Root hair are an extension that increase the roots for water and nutrient absorption

  3. Creates a waxy cuticle that protects the plant from water loss

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4

Periderm tissue

  1. In woody plants, epidermal tissue is replaced by [eriderm tissue

  2. Produces bark on stem and roots

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5

Vascular tissue

Transports water, nutrient and other chemicals throughput the plant

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6

2 types of vascular tissue

Xylem and phloem

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7

Xylem

  1. transport water from the roots to the leaves of the plant

  2. Once matured are no longer a living tissue

  3. A tube from the roots to the shoots

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8

Phloem

  1. Transports sugars created by photosynthesis, other chemicals and hormones throughout the plant

  2. Living tissue

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9

Ground tissue

Composed of all the tissue in between dermal and vascular tissue. It performs different functions in different parts of the plant.

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10

Ground tissue in roots

Stores of carbohydrates

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11

Ground tissue in stems

provides storage and support

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12

Ground tissue in leaves

performs photosynthesis

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13

Photosynthesis

Light energy + CO2 + H2O = Glucose + O2

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14

Organs in the plant system

Roots, leaves, stem and flower

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15

The 2 organ systems

Shoot and Root system

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16

Shoot system

  1. Conduscts food and water

  2. Photosynthesize

  3. Reproduce sexually

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17

Shoot system - leaf

  1. Main photosynthetic structure of plant

  2. Organelle called chroplast performs photosynthesis

  3. Some act as support, protection, reproductiion and attraction

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18

Shoot system - flower

  1. Developed for sexual reproduction

  2. Each flower both has male and female parts

  3. Male has pollen grains

  4. Female produces eggs

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19

Pollination

The act of eggs being fertilized by pollen (no hanky-panky)

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20

Shoot system - stem

  1. supports branches, leaves and flowers

  2. Provides a way to transport materials

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21

Root system

  1. Anchors the plant

  2. Absorbs water and minerals thropugh tiny root hairs

  3. Conducts water and nutrients

  4. Stores food and nutrients

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22

What are plant stem cells called?

Meristematic cells

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