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PLANTS - PowerPoint PPT Presentation


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PLANTS. Roots. buried under the ground help keeps plants from blowing away helps keeps plants from being swept away by rainstorms. Roots also give a plant the water it needs. ROOT CAP. Protects the tip of a root as it grows and moves through soil. There are two main kinds of roots.

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Presentation Transcript
roots
Roots
  • buried under the ground
  • help keeps plants from blowing away
  • helps keeps plants from being swept away by rainstorms
root cap

ROOT CAP

Protects the tip of a root as it grows and moves through soil.

stems16

STEMS

Carry water and minerals absorbed by roots to leaves and flowers.

slide20
One bundle, the xylem, carries water and minerals from the roots to the leaves. It also supports the great bulk of the plant.
slide22

VEINS

IN

STEMS

types of leaf shapes

Types of leaf shapes

simple and compound

slide29

Identify the following leaves as:

Simple or Compound

A

B

C

D

E

Simple

Compound

Compound

Simple

Simple

veins
VEINS
  • carry water and mineral from root and stem to leaves
  • carry food that the leaves make to the rest of the plant
2 types of veins
2 types of veins
  • Parallel veins run the same direction as the leaf.
  • Netted veins branch out at all angles to cover the entire leaf.
slide39
Chlorophyll lets the plant use the energy from the sun shining on its leaves to make food out of carbon dioxide and water.
plants take carbon dioxide from the air turn it back into oxygen which it releases into the air
Plants take carbon dioxide from the air, turn it back into oxygen, which it releases into the air.
slide53

The sepal is the bottom layer of petals, which are colored green like the stem and covered in a stiff, waxy coating to help protect the growing flower bud before it blooms.

slide54

SEPAL

SEPAL

SEPAL

SEPAL

3 pistil parts
3 PISTIL PARTS
  • stigma
  • style
  • ovary
3 male parts
3 MALEPARTS
  • stamens
  • filaments
  • anthers
slide72
When the pollen from one plant is carried to another plant of the same type, it is called cross-pollination.
slide74
Wind-pollinated plants shed millions of small, male pollen grains into the air. Few will find a female plant to fertilize, however.
gymnosperms

Gymnosperms

plants that do NOT produce flowers

examples: conifers, woody trees, and shrubs

angiosperms

Angiosperms

flowering plants

monocots
MONOCOTS
  • flowering parts in 3’s or multiples of 3
  • long, tapering leaves with parallel veins
  • vascular bundles are scattered
dicots
DICOTS
  • Floral parts in 4’s or 5’s or multiples of 4 or 5
  • broad to narrow leaves with netted veins
  • vascular bundles are arranged in a circle
in phototropism the roots leaves and other parts of a plant growth are affected by a light source
In phototropism the roots, leaves and other parts of a plant growth are affected by a light source.
the term geotropic refers to a plant whose roots grow down into the soil as a response to gravity
The term geotropic refers to a plant whose roots grow down into the soil as a response to gravity.
green stems die at the end of each growing season tree stems trunks keep growing from year to year
Green stems die at the end of each growing season. Tree stems (trunks) keep growing from year to year.
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