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Transcript
Plants 1 Outline What are plants What a plant needs Seeds Roots Stems Leaves Flowers Diagram of a flower 2 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. 3 What a Plant Needs Water Air Light Soil 4 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 5 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. 6 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. 7 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). 8 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. 9 Diagram of a Flower petal pistil stamen stigma style ovary ovule anther filament sepal 10
