plants growth and adaptation. plants have 3 organs: 1. leaves 2. stems 3.roots draw the picture and...

PLANTS GROWTH AND ADAPTATION

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PLANTS

GROWTH AND ADAPTATION

Plants have 3 organs:

• 1. Leaves

• 2. Stems

• 3.Roots

• Draw the

picture and

Identify

Structures.

LEAVES

• 1. Site of photosynthesis- chloroplasts in top layer of leaf.

• 2. Site of gas exchange- stomata in underside of leaf

STEMS

• 1. Provide structure for the plant

• 2. House vascular tissue– A. Xylem- tissue that draws water and

minerals up from roots– B. Phloem- tissue that distributes sugar from

leaves to rest of plant

ROOTS

• 1. Anchor plant to ground

• 2. Absorb water and minerals from soil

Page 6: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

Plant Reproduction

• Plants have male and female reproductive parts.

Page 7: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

Female reproductive structures

• The pistil -consists of the:

1.Stigma

2.Style

3. Ovary (contains the

ovule, or plant egg)

Page 8: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

Male reproductive structures

• The Stamen –consists of:– 1. Anther– 2. Filament– 3. Pollen (plant sperm)

Page 9: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

Plant Genetics

• Pollen is the male plant sex cell, or GAMETE.• The Ovule is the female plant sex cell, or

GAMETE.• Gametes are HAPLOID- meaning that they each

contain half the genetic material necessary to produce offspring.

• After fertilization, a genetically complete organism is formed, with all the genetic information necessary for survival and reproduction.

Page 10: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

Fertilization

• Plant fertilization and seed distribution is carried out by insects, wind, and animals.

Page 11: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

PHOTOSYNTHESIS

• Photosynthesis occurs in the chloroplasts

• O2 is released and CO2 is absorbed through the stomata

Page 12: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

What happens during photosynthesis?

• Sunlight provides the energy for the chloroplast to convert carbon dioxide and water to glucose and oxygen.

• 6CO2 + 6 H2O C6H12O6 + 6O2

Page 13: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

Plant Adaptations

• How do plants adapt to their environment?

• List some necessary characteristics for plants from the following environments:– 1. Arid– 2. Tropical Rain Forest– 3. Cold, snowy climate– 4. Temperature extremes

Page 14: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

Pick My Environment

• Match the following plants to their proper environment.

Page 15: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

VOCABULARYCopy and define the following:

• Leaves Pollen

• Stems Ovule

• Roots Xylem

• Chloroplast Phloem

• Haploid Stomata Photosynthesis

• Gamete Adaptation

Page 16: PLANTS GROWTH AND ADAPTATION. Plants have 3 organs: 1. Leaves 2. Stems 3.Roots Draw the picture and Identify Structures

TEACHER NOTESBegin with “BrainPop”- “Plant

Growth” and then “Photosynthesis”• Have students create a book mark with the

plant information.– Have them draw the leaves, stems and roots

on one side, and define the terms on the other side.

– Have them return their bookmark to their science teacher for extra credit!

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