Photosynthesis happens in the «palisade» cells in the leaf: Palisade cells Close up on
a palisade cell: Cell wall Cell membrane Nucleus Large vacuole Cytoplasm Chloroplasts (containing chlorophyll) How do Plant Roots Work?
Teacher Answer Key Topics Include: • plant systems: roots and shoots • plant tissues: dermal, vascular, ground • epidermis • trichomes • xylem • phloem • plant
cell types: parenchyma, collenchyma, sclerenchyma • fibrous roots • taproots • root hairs • root cap • stems • leaves •
palisade mesophyll • spongy mesophyll • cuticle • stomata • guard
cells • meristems • primary growth • secondary growth • vascular cambium • cork cambium • wood • tree rings • bark • mycorrhiza • legumes • tracheids • vessel elements • transpiration • sieve - tube members • companion
cells • pressure - flow hypothesis • parasitic plants • carnivorous plants • epiphytes • hormones • auxins • phototropism • gravitropism • thigmotropism • cytokinins • gibberellins • ethylene • abscisic acid • photoperiodism • desert plants • plant defenses Happy Teaching!