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Wake-up. Explain a vestigial structure. Explain the difference between divergent and convergent evolution. Questions are on the white board. Classification of Life. Christopherson. Group the beads in the bag on your desk. Briefly explain how your categorized them in your notes .

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Presentation Transcript
wake up
Wake-up
  • Explain a vestigial structure.
  • Explain the difference between divergent and convergent evolution.
what is classification
What is Classification?

Method by which biologists group and

categorize organisms.

what is taxonomy
What is Taxonomy?

Science of Classification

history of classification aristotle
History of Classification: Aristotle

Grouped all living things into two main groups:

Plants and Animals

He further divided animals:

Blood versus Bloodless

And where they lived: Land, Air or Water

according to aristotle
According to Aristotle…….

A bird, bat and butterfly are all in the same group

great chain of being scala naturae
Great Chain of Being “Scala Naturae”

Aristotle's view of life was hierarchical; creatures could be grouped in order from lowest to highest, with the human species being the highest.

exploration era
Exploration Era

Exploration era allowed many new specimens

to be discovered

slide12

Many new plants and animals were brought back to Europe from Asia, Africa, and Americas

Had to classify the new organisms and name them; In naming, taxonomist used Latin descriptive words.

Names were changing constantly and ended up being very long

what was the scientific name for a honey bee in the exploration era
What was the scientific name for a Honey Bee in the Exploration Era?

Apis pubescens, thorace, subgriseo, abdomine, fusco,

Pedibins, posticisglabis, untrinque, margine, ciliates

wake up1
Wake-up
  • How did scientific names get “out of hand” during the Exploration Era?
  • According to Aristotle, group animals together. For example, in your notes yesterday, a bird, bat and butterfly were together.
carlos linnaeus
Carlos Linnaeus

Father of Taxonomy

Developed a system for universal system for naming organisms: Binomial Nomenclature

binomial nomenclature
Binomial Nomenclature

Each organism is named using two Latin descriptive words:

Genus: Group of closely related species

Species: Group of interbreeding organisms. Most similar

rules for binomial nomenclature
Rules for Binomial Nomenclature
  • Capitalize the Genus and the species is lower case
  • Underline or italicize both genus and species
organism 1 drosera rotundifolia
Organism #1: Droserarotundifolia

The scientific name Drosera

Rotundifolia is derived from the word “Drosos” which means “Dew or Dewdrops”

Rotundfolia means “Round Leaves”

What is its common

name?

Sun Dew

Life: Plants Clip 9:34

organism 2 mantis religiosa
Organism #2: Mantis religiosa

The scientific name Mantodea comes from a word meaning “Prophet”. It was named this is 1838 by Herman Burmeister.

Religiosa means “religious”

What is its common

name?

Praying Mantis

organism 3 hippocampus abdominalis
Organism #3: Hippocampus abdominalis

What is its common

name?

“Hippocampus” means horse and “abdominalis” means abdominal.

Pot-Bellied Seahorse

Video Link #2

seven levels of taxonomic organization
Seven Levels of Taxonomic Organization

Remember this sentence to help: King Phillip Came Over From Germany Singing

six kingdoms of life1
Six Kingdoms of Life

Kingdom: Archaebacteria

Prokaryotic

Unicellular

Autotroph/Heterotroph

six kingdoms of life2
Six Kingdoms of Life

Kingdom: Eubacteria

Prokaryotic

Unicellular

Autotroph/Heterotroph

six kingdoms of life3
Six Kingdoms of Life

Kingdom: Protista

Eukaryotic

Unicellular/Multicellular

Autotroph/Heterotroph

six kingdoms of life4
Six Kingdoms of Life

Kingdom: Fungi

Eukaryotic

Unicellular/Multicellular

Autotroph/Heterotroph

six kingdoms of life5
Six Kingdoms of Life

Kingdom: Plants

Eukaryotic

Multicellular

Autotroph

six kingdoms of life6
Six Kingdoms of Life

Kingdom: Animals

Eukaryotic

Multicellular

Heterotroph

wake up2
Wake-up
  • An organisms genus is acer and its species is rubrum. Write this correctly using binomial nomenclature.
  • List the seven levels of taxonomic organization from most specific to broades.