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Basic Parts of the PlantBasic Parts of the PlantRootsStemsLeavesFlower
LeavesLeaves1. Make food through
photosynthesis2. Provide site of gas exchange3. Store food
RootsRoots1. Anchor Plant2. Absorb water and minerals3. Translocate water and
minerals to stem4. Store Food
2 main types of Roots2 main types of Roots
Different type of RootsDifferent type of RootsA. Tap Root
◦Continuation of the primary root◦Ideal for anchorage◦Penetration is greater for water◦Storage area for food made by
photosynthesis
Different type of RootsDifferent type of RootsB. Fibrous Roots
◦Many finely branched secondary roots
◦Shallow roots cover a large areaMore effective absorption of water and minerals
Roots hold the soil to prevent erosion
RootsRootsRoot hairs:
◦Tiny one celled hair like extensions of the epidermal cells located near the tips of the roots where vascular tissues have formed.
◦Increase surface area
◦Absorb water and minerals from soil
StemsStems1. Translocate water, minerals
and food to the leaves2. Support the leaves and
display them to light3. Store Food
Specialized StemsSpecialized StemsB. Bulb (tulips, lillies, onions)
◦Layers of fleshy scales that overlap each other
◦Underground stem
Specialized StemsSpecialized StemsC. Tuber (potato, caladium)
◦Food storage area◦Short, thick underground stem
FlowersFlowers1. Contain organs for
specialized sexual production2. Produce seeds and fruit
Parts of the FlowerParts of the FlowerSepals
◦Outer covering of the flower bud
◦Protects the stamens and pistils when flower is in bud stage
Parts of the FlowerParts of the FlowerPetals
◦Brightly colored◦Protects stamen and pistils◦Attracts pollinating insects
Parts of the FlowerParts of the FlowerStamens
◦Male Reproductive part
◦Anther-produces pollen
◦Filament-supports the anther
Parts of the FlowerParts of the FlowerPistil
◦Female reproductive part
◦Ovary Enlarged portion at base of pistil
Produces ovules which develop into seeds
◦Stigma Holds the pollen grains
Parts of the FlowerParts of the FlowerStyle
◦Connects the stigma with ovary
◦Supports the stigma so that it can be pollinated
Complete and Incomplete Complete and Incomplete FlowersFlowersComplete: have all four main
parts◦Sepals◦Petals◦Stamens◦Pistils