Name: _________________________________________________ Date: _______________ Period: ________ Biology Notes: Seeded Vascular Plants Gymnosperms (Conifer Life Cycle) Directions: Fill in the blanks as we cover the topic in the PowerPoint. Corresponds to textbook pages 620 ‐ 622, 666 ‐ 667, & R34 Group 3: Seed producing, Vascular Plants • Gymnosperms – ________________ – _________________ – _________________ • Angiosperms Seeds and their advantages • 1) Seed plants ______________ depend on ______________ to ______________ – Pollen (develops into _______________) carried by _____________/_____________ • Seed _____________ around _____________ • 2) Embryo has… – Nourishment: _____________ inside _____________ embryo – Protection: _____________ shell • 3) Allow dispersal – Carried by _____________, _____________, _____________ Group 3: Seed producing, Vascular Plants • Type 1: Gymnosperms • _____________ have _____________‐like leaves (_____________ water _____________) • Common to _____________ industry • Seeds enclosed in _____________ – Male cones: produce _____________ (_____________ cone) – Female cones: produce _____________ (_____________ cone) • _____________ hardens around _____________ (protected inside _____________) • Ex: Evergreen, _____________, _____________, Cedar Conifer Life Cycle • Sporophyte phase (dominant) – Cones _____________ on _____________ – Male cones • Spores _____________ by _____________ & released • Spores _____________ into _____________ (male _____________) • Female cones – _____________ created by _____________ – Spores develop into _____________ _____________ • _____________ forms _____________ – Male _____________ lands on _____________ _____________ – Pollen _____________ grows _____________ egg – Sperm travel _____________ pollen _____________ • _____________ egg – Ovule _____________ into _____________ – Seed _____________ & _____________ into new _____________ • Steps: 1) Male and female seed _____________ grow on adult _____________ 2) _____________ grains _____________ from the _____________ seed _____________ ‐‐ _____________ is the male _____________ 3) Pollen grain _____________ to the _____________ ovule 4) Pollen _____________ grows from the _____________ spore 5) _____________ sperm _____________ towards the _____________ ‐‐ Only _____________ sperm _____________ the _____________ 6) Diploid _____________ develops inside _____________ cone (_____________ stage _____________) 7) After seeds _____________, the cone _____________ and the _____________ are _____________ 8) Seed will _____________ 9) Seedling _____________ into (_____________)… the cycle repeats Review 1) Name three advantages of seeds: _______________________________________________________________________________________ 2) Which structure will protect gymnosperm seeds? ______________________________________________ 3) What do male cones produce? ______________________________________________________________ 4) What do female cones produce? ____________________________________________________________ 5) What is created when the sperm and egg fuse: sporophyte or gametophyte? ________________________ 6) What is the male gametophyte? ____________________________ Female? ________________________ 7) What is it called when pollen reaches the female ovule? _________________________________________ What is created? _________________________________________________________________________ .