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Plants - PowerPoint PPT Presentation


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Plants. Outline. What are plants What a plant needs Seeds Roots Stems Leaves Flowers Diagram of a flower. What are Plants. Plants are living things that do not move. Many plants are green. Plants usually make their own food. Plants produce other plants like themselves.

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Presentation Transcript
outline
Outline
  • What are plants
  • What a plant needs
  • Seeds
  • Roots
  • Stems
  • Leaves
  • Flowers
  • Diagram of a flower
what are plants
What are Plants
  • Plants are living things that do not move.
  • Many plants are green.
  • Plants usually make their own food.
  • Plants produce other plants like themselves.
  • Plants are used by humans for food, shelter, and drugs.
what a plant needs
What a Plant Needs
  • Water
  • Air
  • Light
  • Soil
seeds
Seeds
  • Most plants begins with seeds.
  • We can eat the seeds of some plants, such as sunflowers.
  • When a seed gets water and warmth, it germinate, or start to grow.
  • Parts of a seed:
    • Embryo
    • Seed coat
    • Stored food
roots
Roots
  • Most roots grow down into the soil.
  • Roots absorb water and minerals from the soil.
  • Roots take nutrients for the plant.
  • Roots also hold the plant in place.
  • Carrots, beets, and potatoes are roots we eat.
stems
Stems
  • Stems grow up from the roots to hold up the plant.
  • Stems carry food and water to the rest of the plant.
  • Most stems are soft, but a tree has a hard stem called a trunk.
  • Celery is a stem we eat.
leaves
Leaves
  • The leaves of the plant are full of chlorophyll.
  • Chlorophyll makes the plant green.
  • Chlorophyll uses soil, sunlight, and air to make food for the plant.
  • A plant can make its own food (photosynthesis).
flowers
Flowers
  • Flowers are important in making seeds and fruits through the process of fertilization.
  • Flowers have some basic parts: female and male parts.
  • Petals attracts bees and butterflies.
diagram of a flower
Diagram of a Flower

petal

stamen

stigma

style

ovary

ovule

anther

filament

pistil

sepal