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This Power Point Presentation allows students to get the basic information about the 5 parts of a flowering plant.
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14.0 Describe Principles of Plant Growth Production
14.1 Identifying plant parts and their function.
Why are plants important?
• Provide oxygen
• Prevent famine
• Provide medicine
How are plants used in agriculture?• Crops
– Cereal Grains - wheat, rice
• Ornamental
– Landscape design - indoors and outdoors
• Medicine
– Biotechnology, possible cures
What are 5 major parts of a flowering plant?• Leaves
• Stems
• Roots
• Flower
• Fruit
Why are leaves important?
• Collect light
• Site of photosynthesis
• Main site of transpiration
What are the parts of a leaf?
• Blade: helps with collecting the sun’s rays
• Veins: transport water and nutrients
• midrib: central vein
• Petiole:point of attachment to the stem
• Nodes: will grow if the petiole is removed
Why is the stem important?
• Produce and support new leaves
• Transport water and nutrients to and from the roots
• Storage of nutrients
What are the parts of a stem?
• Terminal bud: point of new growth
• Lateral bud: point of new growth
• Internode: in-between points of growth
Leaf scar
Bud scale scar
Why are the roots important?
• Provide anchor for the plant
• Absorb water and nutrients
• Storage of nutrients and water
What are the three types of roots?
• Taproot: absorbs water deep in the ground -carrots, pecan trees
• Fibrous roots: roots stay close to top soil - tomato, bedding plants
• Adventitious: helps plant climb or anchor - ivy, strawberries, some grasses.
What are the parts of a root?
• Primary root: the first root to grow
• Secondary roots: branch off of the primary root
• Root hairs: these account for 95% of water absorption
Why are flowers important to the Plant?
• Flowers serve as the reproductive organ of the plant
Why is Fruit important to plants?
• The site of seed production, fruit also plays a role in the dissemination of the seeds
Parts of a Flower
Parts of a Flower• Stamen – Male Part
– Anther - pollen-producing structure– Filament - stalk that supports the anther
• Pistil – Female Part– Stigma - place where sticky pollen grains are
deposited– Style - tube where the pollen grains travel from
the stigma to the ovary– Ovary - base of the pistil, where the pollen
germinates with the ovules, this becomes the fruit
– Ovules - individual eggs, these are the plant seeds
Flower Parts
• Petal – modified leaves that serve to attract insects for pollination
• Sepal – protects the inner parts of the flower bud from rain, mechanical injury and insects
• Receptacle – the base where all the flower structures are attached