Plant Anatomy Lab Bio 113.

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Presentation transcript:

Plant Anatomy Lab Bio 113

Exercise 1: Plant Morphology Examine living bean plant Label Herbaceous Plant figure

Exercise 2: Plant Primary Growth and Development Observe prepared slide of Coleus stem tip.

Exercise 3: Cell Structure of Primary Tissues…Lab Study A: Stems Thin section exercise…Omit Observe prepared slide of Dicot stem cross-section (Triarch slides are the best) Observe prepared slide of Monocot stem cross-section View poster View monocot and dicot stem demo

Monocot or Dicot? Which is Which?

Monocot Dicot

Exercise 3: Cell Structure of Primary Tissues…Lab Study B: Roots Observe prepared slide of buttercup (Ranunculus) mature root Observe prepared slide of Root hairs. (The root hair slide is a thick mount …do not use high power objective to view this slide) View Root noodles demo View poster

Buttercup root cross section

Exercise 3: Cell Structure of Primary Tissues…Lab Study C: Leaves Observe prepared slide of Leaf cross section (lilac leaf) View Leaf model as reference on leaf cells Observe prepared slide of Stinging nettle trichomes. Trichomes (modified epidermal cells) that function in defense. Each trichome consists of a bulb filled with formic acid. The trichome injects the chemical irritant into the skin of an animal that touches the plant.

Lilac leaf cross section

Trichomes of the Nettle family

Exercise 4: Cell structure of Tissues Produced by Secondary Growth Observe prepared slides of basswood (Tilia) stem

Additional View photo examples of modified stems and leaves (tendrils, thorns, bulbs, rhizomes, tubers, succulents). Review introductory material in the beginning of the lab exercise…a lot of important (you’ll see it again) terminology.

Modified Roots

Modified Stems

Modified Leaves