Intro Plant Parts Importance Function Why are plants

Intro: Plant Parts, Importance & Function Why are plants so important? • • Produce Oxygen Takes in Carbon Dioxide Primary source of food Hold soil & prevent erosion • Slow high winds, • Give us building materials • For beauty

4 Basic Parts of a Plant LABEL THESE • Leaves • Stems • Roots • Flowers

Other Plant Terms • Chloroplasts- plant cell part that carries out photosynthesis. • Chlorophyll- green pigment (color) found in plants and necessary for photosynthesis. • Transpiration- Evaporation of water from plants.

Photosynthesis: process by green plants & other organisms use sunlight to make food for energy What is the chemical equation for photosynthesis? Reactants 6 CO 2 + 6 H 2 O + sunlight Products C 6 H 12 O 6 + 6 O 2

Functions of Stems • Support leaves and reproductive structures. • Moves water and nutrients from roots up to leaves (xylem. ) • Moves food (glucose) it makes from leaves down to the roots (phloem. ) PHLOEM XYLEM

Main Functions of the Roots • Anchor plant and hold it upright. • Absorb H 2 O and nutrients from soil. • Storage of sugar (food. ) • Reproduction in some plants. (Sweet potatoes) Roots can be: Fiborous Or have Tap Roots

Perfect Flower Have both male and female reproductive parts Pistil Stamen 4 Main Parts of a Flower Imperfect Flowers that have only the male or female reproductive parts, not both.

TYPES OF FLOWERS • Annual - Plants that perform their entire life cycle from seed to flower in one year • Perennials - Plants that persist for many growing seasons. • Biennials - Plants which require two years to complete their life cycle. Perennial Daisy Annual Sunflower Biennial Parsely