Download Plant Reproduction

Plant Reproduction
By
Diana L. Duckworth
Rustburg High School
Campbell County
http://biology.unm.edu/ccouncil/Biology_203/Summaries/Non-floweringPlants.htm
Key terms
• Haploid (1N or N)
– one copy of each chromosome
– gametophytes are haploid
– Formed by meiosis (reduction cell division); pairs of
chromosomes are divided into different cells
– Each daughter cell gets one of each chromosome
• Diploid (2N)
– two copies of each chromosome
– Formed by union of sperm & egg (forms a zygote)
– Sporophytes are diploid
• Mitosis – cell division in which all chromosomes are
copied; produces two cells with identical genetic
material
• Annual – one year life cycle; Biennial – 2 growing
seasons; Perennial – lives for several years,
reproduces every year
Non vascular plants
http://www.davidlnelson.md/Cazadero/Mosses.htm
http://biology.unm.edu/ccouncil/Biology_203/Summaries/Non-floweringPlants.htm
Seedless vascular plants
http://www.pbase.com/rak_929/image/41482294
http://eclipsetheatrecompany.wordpress.com/2008/
02/29/can-you-see-the-light-part-iii/
http://commons.wikimedia.org/wiki/Image:Alternation_of_generations_in_ferns.png
Reproduction in Gymnosperms
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seed%20Plants/seed%20plants.htm
Reproduction
in
Angiosperms
http://en.wikiversity.org/wiki/Educational_Media_Awareness_Campaign/Biology:_General/POTD_4
Anatomy of a Flower
http://www.prairiefrontier.com/pages/flwrfamlys.html
Comparison of Gymnosperm & Angiosperm
seeds
http://encarta.msn.com/media_461547550/gymnosperm_and_angiosperm_seeds.html