Class Notes (839,092)
Canada (511,185)
AEBI 210 (28)
Lecture

AEBI 210- Nov 21st.doc

2 Pages
117 Views

Department
Biology (Agric & Envir Sc)
Course Code
AEBI 210
Professor
Jaswinder Singh

This preview shows 80% of the first page. Sign up to view the full 2 pages of the document.
Description
Organisms 1- AEBI-210 001 November 21st, 2012 Anthophyta (Angiosperm) Lifecycle Angiosperms: Phylum Anthophyta contains flowering plants, which are the largest plant group Monocots -Flowers in 3s, one cotyledon, parallel veins, scattered vascular bundles -Pollen is uniaperturate (one opening) Dicots -Flowers in 4s or 5s, 2 cotyledons, netted veins, vascular bundles in a ring -Pollen is triaperturate (3 openings) Lifecycle: 4 pollen sacs (microsporangia) have microsporocyctes with tapetum (nutrient tissue) Microsporocytes divide by meiosis into 4 pollen grains (n) -Pollen grains have resistant sporopollenin outer walls arising from the tapetum -The intine (inner wall) is made of cellulose and pectin by the pollen cell Spore cell divides by mitosis into a tube cell and generative cell -The generative cell divides into 2 sperm cells Pollen grains are released when they are mature by the anther walls splitting Ea
More Less
Unlock Document

Only 80% of the first page are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit