Magnoliophyta.

Slides:



Advertisements
Similar presentations
Flowers contain reproductive organs protected by specialized leaves.
Advertisements

Plant Reproduction. Zygote (2n) M I T O S S I M E I O S S I Seed (disperses via wind or animals) Developing sporophyte Mature sporophyte flower (2n)
making more of a species
PLANTS EVERYTHING YOU NEVER WANTED TO KNOW BUT NEEDED TO FOR THE AP EXAM.
Seed Formation in Gymnosperms & Angiosperms
22.2 Reproduction in Flowering Plants TEKS 6G, 10B The student is expected to: 6G recognize the significance of meiosis to sexual reproduction and 10B.
Plant Reproduction. Alternation of Generations All plants have a diploid(2n) sporophyte generation that alternates with a haploid (1n) gametophyte generation.
Plant Adaptations for Success on Land Vascular tissue Evolution of the seed that provides food and protection Many methods of seed dispersal Evolution.
ANGIOSPERMS Angiosperm means “covered seed” Have flowers
9.2 - Sexual Reproduction in Flowering Plants
Earth’s dominant plants
THE LIFE CYCLE OF ANGIOSPERMS Packet #75 Chapter #38 Tuesday, December 08,
1 Figure 19.5 Alternation of Generations. Key Haploid (n) Diploid (2n) Protonemata (n) “Bud” Male gametophyte (n) Female gametophyte (n) Gametophore Rhizoid.
Chapter 38 ~Plant Reproduction and Development. I. Sexual Reproduction n A. Alternation of generations: haploid (n) and diploid (2n) generations take.
Reproduction in Plants. Flower Reproductive structure of angiosperm Sporophyte – diploid  Produces haploid spores  Mitosis produces haploid gametophyte.
Chap. 30 : Plant Reproduction
Angiosperm Reproduction Bio 1400 Fa Major Evolutionary Advances Flowers mya 5,000 mya 4,000 mya 3,000 mya 2,000 mya 1,000 mya Earth Forms.
ALTERNATION OF GENERATIONS AND PLANT LIFE CYCLES Copyright © 2009 Pearson Education, Inc.
Fertilization in Plants Dr. Pramila Kudva. Structure of a mature pollen grain.
Stigma style ovary ovule megasporocyte micropyle The carpel.
14.4 The Life Cycle of Flowering Plants Biology 1001 November 25, 2005.
Title Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 29 Image Slides.
Plant Structure and Reproduction Double Fertilization.
Designed by Pyeongsug Kim ©2009 SI Session SI Session Spring 2010 Angiosperms (Flowers) Structure and Reproductive system Part1.
Chpt. 30 Evolution of Seed Plants Seed Plants Gymnosperms – naked seedsGymnosperms – naked seeds Angiosperms – covered seedsAngiosperms – covered seeds.
Plant Reproduction. Flower Anatomical Terms The male Stamen is composed of a Filament and Anther The female Carpel (or Pistil) is composed of the Stigma,
Structural Adaptations for Reproduction PARTS OF A FLOWER 4/6/16.
Chapter 38 n Plant Reproduction and Development. Sexual Reproduction n Alternation of generations: haploid (n) and diploid (2n) generations take turns.
Pollination and Fertilization in Flowering Plants
Faculty of Science, School of Sciences, Natabua Campus Lautoka BIO706 Embryology Lectures 21:Flowering Plant Reproduction - I.
Which of the following is a sporophyte?
Faculty of Science, School of Sciences, Natabua Campus Lautoka
PLANTS EVERYTHING YOU NEVER WANTED TO KNOW BUT NEEDED TO FOR
An overview of angiosperm reproduction
Plant Reproduction and Development
Angiosperm Reproduction and Biotechnology
Flowers contain reproductive organs protected by specialized leaves.
AP Biology Crosby High School
Sexual Reproduction in Flowering Plants
Angiosperms.
Plant Reproduction Flower-
Seed Plants Seed = embryo sporophyte, encased in and dispersed with gametophytic and maternal sporophytic tissues. Gymnosperms – seeds “naked” in cones.
Flowers contain reproductive organs protected by specialized leaves.
Fig
Plant life cycles alternate between producing spores and gametes.
Flowers.
Lecture #17 Date _________
Topic 9.4~ Reproduction in Plants.
Seed Plants Seed = embryo sporophyte, encased in and dispersed with gametophytic and maternal sporophytic tissues. Gymnosperms – seeds “naked” in cones.
Chapter 38: Angiosperm Reproduction and Biotechnology
Flowers contain reproductive organs protected by specialized leaves.
Reproduction in Flowering Plants
The student is expected to: 6G recognize the significance of meiosis to sexual reproduction and 10B describe the interactions that occur among systems.
Plant Reproduction and Biotechnology
Reproduction in Flowers
Angiosperm reproduction
Flowers contain reproductive organs protected by specialized leaves.
ANGIOSPERMS.
Angiosperm Reproduction
AP Biology Chapter 38 Plant Reproduction and Development.
Review of plant reproduction
Chapter 38 ~ Plant Reproduction and Development
PLANT REPRODUCTION Sporophyte- Gametophyte-
PLANTS EVERYTHING YOU NEVER WANTED TO KNOW BUT NEEDED TO FOR
Moss Life Cycle Figure 29.8 The life cycle of a moss Raindrop Sperm
Chapter 38: Angiosperm Reproduction
Sexual reproduction in the flowering plant (Extended study)
Gymnosperm Reproduction
Flowers contain reproductive organs protected by specialized leaves.
Flowers contain reproductive organs protected by specialized leaves.
Presentation transcript:

Magnoliophyta

Magnoliposida The dicotyledons

Liliopsida The monocotyledons

stigma style ovary The carpel ovule megasporocyte micropyle

Creation of the megaspore

megaspore Creation of the megaspore

Creation of the female gametophyte

antipodals Polar nuclei synergids Egg nucleus Creation of the female gametophyte

antipodals Polar nuclei synergids Egg cell Mature female gametophyte = embryo sac

Review: meiosis Megasporocyte (2N) Megaspore (N) Mitosis and rearrangement Megaspore (N) Female gametophyte (N) Female gametophyte contains the egg cell

Stamen anther filament

Pollen sac microsporocyte Cross section of an anther

microspore microsporocyte Creation of microspores

Review: meiosis microsporocyte microspore Creation of microspores Next step: creation of male gametophyte

exine

Tube cell nucleus Generative cell Pollen grain

pollination

Pollen germination Generative nucleus Tube nucleus

sperm Tube nucleus

Mature Male gametophyte sperm Tube nucleus

Review: meiosis microsporocyte (2N) microspore (N) Mitosis and rearrangement microspore (N) Male gametophyte (N) Male gametophyte contains the sperm

antipodals Polar nuclei synergids Egg cell Tube nucleus sperm

antipodals Polar nuclei synergids Egg cell Tube nucleus sperm

3N Primary endosperm nucleus Polar nuclei 2N Zygote Egg cell Double Fertilization

Seed coat endosperm embryo fruit

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2025 SlidePlayer.com. Inc. All rights reserved.