WARM-UP: What do you call these animals?

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Classification of Living Things

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Classification of Living Things

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Presentation transcript:

WARM-UP: What do you call these animals? Turn in review if you didn’t yesterday. Have out Taxonomy WS for me to check. WARM-UP: What do you call these animals? Common Names: Red bird Rabbit Cardinal Bunny Northern Cardinal Hare Jack Rabbit Scientific Names: Cardinalis cardinalis Lupus californicus

What would you call this What would you call this? Guy, man, person, human, human being, boy…common names go on and on and on, but he has an actual name!!! Just like you have a real name to identify you, so do organisms!

Taxonomy The science of naming and classifying organisms

Classification System: Domain: Kingdom Phylum Class Order Family Genus Species Goes from inclusive (broad/includes many animals) to specific (SPECIes = SPECIfic) Now includes an additional level above Kingdom called “domain” There are 3 domains: Bacteria Archea Eukarya What do you notice about this? Student responses: goes from wide to small; many animals in the top layer, only 1 in the bottom layer; there’s 7 different species in the top layer, and the one bear on the bottom layer. What does Eukarya remind you of? (eukaryotes) and what do eukaryotes have? (nucleus) Are animals (humans) eukaryotes? So what domain is this example representing? (eukarya) they need to add it. If Eukarya means they’re eukaryotes and have a nucleus, what do you think Bacteria and Archea are? (prokaryotes – no nucleus)

Memory Clue Kingdom -- King Phylum -- Phillip Class -- Comes Order -- Over Family -- For Genus -- Good Species -- Sushi Other ideas: Kids Playing Catch On Freeways Get Smashed Write in your way to help you remember it under MEMORY CLUE.

CFU: Why do we need a naming system? 1707-1778: Carolus Linnaeus Set up a classification system based on morphology (how they looked) Developed a naming system called binomial nomenclature (bi = two, nomial = name) First word: Genus and is capitalized Second word: species and is lower case Both are in italics Written as: Genus species Ex. Homo sapiens H. sapiens Still used today. The universal language for scientists always written in Latin (scientific language) because it hardly ever changes and what was used in the very beginning. CFU: Why do we need a naming system?

Taxonomic Keys (Dichotomous key) A key used to help identify and name an organism based on morphology You work through paired statements, selecting the correct one until the name is given

Phylogeny: the evolutionary history of an organism Scientists construct a phylogenetic tree or a cladogram to show the history Can tell you three things: That the organisms all came from a common ancestor How related the organisms are When the organism branched off and was formed CFU: What is the common ancestor on the tree?

Cladogram used to show the evolutionary history of organisms Can also show derived characters – when a particular characteristic first began Circle one of the derived characters and label it a derived character

Writing Prompt Must be at least 1.5 pages long. In complete sentences answer the following: Why is lab safety important? Give examples of lab safety. Ex. you can give a lab safety rule and talk about why it’s needed, what could happen if it wasn’t followed etc.

Answer the dichotomous key/cladogram Questions on your own

Kingdoms of life video https://youtu.be/F38BmgPcZ_I