1 - Introduction to Plants SBI3U – Plant Biology Date: ______________________________________________ Introduction to Plants Roots Function is to collect _________________________________ and to ________________________ Vascular Cylinder Contains the cells (______________________________________) which transport _________________, ___________________ and food up and down the plant ___________________ cells which transport water, minerals throughout the plant ___________________ cells which transport sugar throughout plant Cortex Store ___________________________________ and other substances like resins and oils Helps to absorb __________________ and ________________________ from soil Page 1 of 4 1 - Introduction to Plants SBI3U – Plant Biology Stems Function is for _______________________ and _______________________ of materials Vascular tissue Made up of xylem and phloem cells Main function is to transport water up (_________________) and nutrients both ways (______________________) Leaves Function is to collect _______________________ to undergo _________________________________ Leaves contain _______________________ whose main function is to produce ___________________ by process of photosynthesis (requires 3 things) Sunlight Serves as _________________________________ Carbon dioxide Gas which is extracted from the air and converted into ________________________ Water Converted into glucose, along with CO2 Absorbed by roots in soil and carried by vascular tissue, up to ____________________ Flowers Function is for ____________________________ Use __________________ to attract organisms to help with _____________________________ Page 2 of 4 1 - Introduction to Plants SBI3U – Plant Biology Classifying Plants Non-vascular like mosses, hornwort, liverworts Low to the ground No ______________________________________ to lift nutrients Tiny hairs (______________________) as ‘roots’ Reproduce with ____________________ Earliest evolved plants Vascular and Non-seeding like ferns, grasses Vascular and Seeding Gymnosperms Seeds in ______________________ Most are evergreens with ___________________________ Angiosperms Seeds in ___________________________________ Angiosperms are subdivided into two groups _________________________________________________________________________________________ Page 3 of 4 1 - Introduction to Plants SBI3U – Plant Biology Photosynthesis Conversion of ___________________ energy into _____________________ energy Occurs in organelles of plants called ___________________________ Plants use light energy to drive photosynthesis Chlorophyll The primary pigment of photosynthesis is chlorophyll Chlorophyll is green in colour because it _______________________ green light while it _________________________ red and blue colours Most leaves appear green because chlorophyll is much more ____________________________ than the other pigments Chlorophyll ___________________________ in short daylight allowing the colours of the other pigments to become visible in the fall Page 4 of 4