Plant Diversity II The evolution of seed plants By Selam Ahmed, Megan Foley, and Anahis Kechejian.
Evolution And Diversity Plants
-
Upload
guestd73910 -
Category
Technology
-
view
992 -
download
1
Transcript of Evolution And Diversity Plants
Classification Taxonomy
– Branch of zoology and botany that is concerned with classifying and naming
– Organisms are organized into related and unrelated groups
Classification Why?
– There are a vast array of different kinds of plants and animals
– Assign universally-recognized names– Organize into related groups– Organize on the basis of evolutionary and
genetic relationships
Kingdoms-Monera Prokaryotic, unicellular
– Archaea Mostly unicellular, microscopic
organisms living habitats that have high temperatures or high salt levels
– Bacteria Mostly unicellular microscopic
organisms that include both beneficial bacteria and harmful bacteria, like Streptococcus
Kingdoms-Protista Eukaryotic, unicellular
– Protists Mostly aquatic, single-celled
organisms Euglena, Paramecium, Amoebas
and Diatoms Pond Life
Kingdom-PlantsMulti-cellular Eukaryotic Plants
Mesquite Tree Creosote Bush Carrots Lilies Prickly Pear Wheat Rice
Plant Kingdom Examples of Divisions in the Plant Kingdom:
– Bryophyta Moss
– Pinophyta (Gymnosperms) Pines
– Magnoliphyta (Angiosperms) Orange tree, rose bush Seed producing plants with true flowers
Classes Each Division can be separated into
Classes:– Magnoliophyta Division
Magnoliopsida (dicots)
Liliopsida (monocots)
Using the Taxonomy Guide for Identification
KingdomKingdomDivisionDivisionClassClassOrderOrderFamilyFamilyGenusGenusSpeciesSpecies
PlantaePlantae MagnolophytaMagnolophyta LiliopsidaLiliopsida LilialesLiliales LiliaceaeLiliaceae
AlliumAllium Allium cepa Allium cepa L.L.
Answer: Egyptian onion
Naming and Classifying Plants
Over 250,000 different kinds of plants
Communicating about plants required a method of naming and classifying
The Plant Man Carolus Linnaeus (1732)
– Devised system for categorizing plants
– Led to modern system of plant taxonomy
– Published Species Plantarum in 1753.
Binomial System of Classification
Each plant has a 2-word (binomial) name given in Latin– First refers to plant’s genus– Seconds refers to plant’s species– Latin name understood internationally
Genus and species are italicized– Homo sapiens =human
Binomial System of Classification
Two words First word is genus (capitalize) Second word is species (underline) Or put both words in italics Example: Homo sapiens=human