BIOA02H3 Study Guide - Final Guide: Symplast, Magnoliids, Sex Organ

• School: UTSC
• Department: Biological Sciences
• Course: BIOA02H3
• Professor: Ivana Stehlik

Document Summary

Plants are included in the eukaryotic branch of life. At around -3700 years first evidence of fossilized bacteria was present and ruled for thousands of years. First autotrophic life evolved in around -1200 years: green algea!! Which formed a whole family of plants by evolving green algea. Bryophytes scientists believed they evolved their own clade. Like mosses (12,000), hornworts (100), and liverworts (600) but later discovered they are only loosely related to each other. Bulk of biodiversity in plants comes from angiosperms. Do(cid:374)"t have cuticles compared to vascular plants which have cuticles on top of their epidermis. Cuti(cid:272)les a(cid:396)e (cid:373)ade up of h(cid:455)d(cid:396)opho(cid:271)i(cid:272) su(cid:271)sta(cid:374)(cid:272)e so the pla(cid:374)t does(cid:374)"t lose too much water and covers the upper and lower parts of the leaves. B(cid:396)(cid:455)oph(cid:455)tes the(cid:374) lose (cid:449)ate(cid:396) (cid:448)e(cid:396)(cid:455) (cid:395)ui(cid:272)kl(cid:455) (cid:271)ut (cid:272)a(cid:374) take up (cid:449)ate(cid:396) i(cid:374) it"s entire surface whereas vascular plants can only take up water through their roots. The(cid:455) (cid:272)a(cid:374) (cid:862)(cid:272)o(cid:373)e (cid:271)a(cid:272)k to life(cid:863) a(cid:374)d photos(cid:455)(cid:374)thesize (cid:449)he(cid:374) (cid:449)ate(cid:396) is a(cid:448)aila(cid:271)le.