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Transcript of NISD Classification
The answer: It's complicated?!?
So...here we go... At first they were classified as plants or animals by Aristotle 2,000 years later Carolus Linnaeus seperated living things by their structures. Backbone or no backbone? Wings? Scales? We use the same idea today but have had to make changes with every new discovery... and it's still very complicated So how do Scientists do it?
Let's start at the beggining...
Here we go! Archae Eubacteria Eukarya There are 3 Domains EVERY living thing falls into ONE of these three domains *the oldest and most simple bacteria on earth
*bacteria that survive in extreme environments !!extreme heat!! - near volcanoes
!!extreme cold!! - in ice *Also known as eubacteria
*More complex than archaebacteria sooo.....bacteria are seperated into two categories *also called eukaryotes
*most complex organisms
*pretty much everything else living besides bacteria fit in this category Life on Mars?!? Classification There are 3 Domains Archae Eubacteria Eukarya oldest bacteria
extreme temperatures more complex most complex 6 Kingdoms domains are broken down into kingdoms Archaebacteria Eubacteria Protists Fungi Plants Animals Kingdoms Archaebacteria Eubacteria Protists Fungi Plants Animals 6 Prokaryotic Eukaryotic Unicellular Multicellular Autotrophic Heterotrophic Asexual Sexual Heterotrophic Unicellular Autotrophic Sexual Eukaryotic Multicellular Asexual Prokaryotic