Where does plant biomass come from??

So…does everyone know where plants get their biomass from??

Table Teams: Plant Reflection As a group, discuss the following question: – What services/resources/products do plants provide for us and other organisms? Record your thoughts on a sheet of paper and include illustrations. Each mini poster will be presented to the class using the document camera.

Basic Requirements Sunlight Water + minerals Gas exchange (O 2 and CO 2 )

Plant Diversity: Major Groups 1.Bryophytes Examples: Mosses, liverworts, hornworts

Plant Diversity: Major Groups 2.Seedless Vascular Plants Examples: Ferns and horsetails

Plant Diversity: Major Groups 3.Seed Plants Example 1: Conifers

Plant Diversity: Major Groups 3.Seed Plants (continued) Example 2: Flowering Plants  Includes most tress!

More on Flowering Plants... Diverse life spans – Annual (one growing season) – Biennial (two growing seasons) – Perennial (live for more than 2 years)

Plant Structures

Plant Roots Taproots  Long, thick primary root Fibrous roots  Branching system, no primary

Plant Stems Produce leaves, branches, and flowers Hold leaves up to sun

Plant Leaves Blades: flattened; collect sunlight Petiole: leaf stem

Leaf Margins (edges) -Lobed -Serrated -Smooth

Leaf Types Simple: One leaf Compound: One leaf w/many leaflets

Leaf Arrangement Alternate Opposite Whorled

Leaf Venation Palmate

Leaf Venation Pinnate

Leaf Venation Parallel