LIFESCI 1 Lecture Notes - Lecture 15: Ammonium Nitrate, Rhizosphere, Plant Cell
Document Summary
Roots allow for better penetration of water. Provides shade that keeps the soil cooler. How we got to the terrestrial plants of today. Green algae share the most recent common ancestor with terrestrial plants. The mosses are the most diverse group. Non vascular system plants: liverworts, mosses, hornworts. The presence of cuticles indicates that it is a terrestrial land plant. Terrestrial plants evolved from an ancestor of green algae. Similarities in the cell structure and reproductive structure. 475 m yrs ago: origin of land plants (cuticle, spores, sporangia) Formation of stomata, vascular tissues, roots, leaves. Origin of land plants evolution of vascular tissue evolution of pollen and seeds evolution of flowers. Able to grow with tissue exposed to air. 3 major divisions: nonvascular plants (moss), seedless vascular plants (ferns), seed plants (angiosperms) How are water and nutrients get into plant. How are carbohydrates getting into the plant.
