Presentation on theme: "Roots, Stems, Leaves, & Flowers Notes. I. Roots Roots A. Functions Absorb water and minerals. Transport water up to the stem. Store water and food. Anchor."— Presentation transcript:
3. Turgor =pressure of water inside a plant cell –Causes the cell membrane to press against the cell wall. –Causes the cell to be stiff. –High Turgor causes the leaf to be rigid. –Low Turgor causes the leaf to be wilted.
3. Petals Modified leaves Often Colorful Often attracts pollinators Often produces nectar Protect the developing reproductive organs
4. Sepals Modified leaves Often green Protect the un-opened flower
C. Pollination = the transfer of the pollen from an anther to a stigma. Birds Bees Wind
D. Fertilization = Fusing of the male and female gamete. Flowers undergo double fertilization The results are the zygote and the endosperm.
E. Fruit = ripened ovary = if it contains seeds in an ovary wall, it is a fruit.
F. Seed Dispersal Tasty fruits and seeds are eaten and deposited in a nice pile of “fertilizer” Stickery fruits hang on to fur and britches Aerodynamic fruits are blown Floaty fruits disperse by water