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Bio 9C: Thursday, 9.14.09 Title: Characteristics of Living Things
Homework: Classifying Living Things Individual Reflection (due Monday, typed, one paragraph per question) Do Now: Take out the HW from Section Look over the things you didn’t understand and put a star next to the ones that you really want to know about! Objective for Class: Identify two defining characteristics for each domain and kingdom of life.
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What defines whether something is ALIVE?
Class Objective: Identify two defining characteristics for each domain and kingdom of life. All Living Things… are made up of cells (one cell = unicellular / many cells = multicellular) reproduce (on their own = asexual / with another parent = sexual) have a genetic code (DNA) with instructions for growing and reproducing use energy and materials respond to their environment control the conditions inside their bodies (maintain homeostasis) Groups of living things adapt/evolve/change over time.
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The TREE OF LIFE: All Living Things
Class Objective: Identify two defining characteristics for each domain and kingdom of life. Protists
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Domain Bacteria unicellular/microscopic
Class Objective: Identify two defining characteristics for each domain and kingdom of life. unicellular/microscopic prokaryotic (tiny cells with no nucleus) very diverse – live and eat in many different ways
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Domain Archaea unicellular/microscopic Prokaryotic (no nucleus)
Class Objective: Identify two defining characteristics for each domain and kingdom of life. unicellular/microscopic Prokaryotic (no nucleus) live in extreme environments (very hot, salty, or acidic places)
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Domain Eukarya unicellular OR multicellular all have nucleus
Class Objective: Identify two defining characteristics for each domain and kingdom of life. unicellular OR multicellular all have nucleus eukaryotic (bigger cells w/ nucleus and organelles) includes 4 Kingdoms: Protista, Fungi, Plantae, Animalia
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Kingdom Protista most are unicellular most live in water
Class Objective: Identify two defining characteristics for each domain and kingdom of life. most are unicellular most live in water “miscellaneous” category – some are like plant cells, some are like animal cells
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Kingdom Fungi mostly multicellular
Class Objective: Identify two defining characteristics for each domain and kingdom of life. mostly multicellular decomposers (feed on dead/decaying things) ex: mushrooms, mold, yeast
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Kingdom Plantae multicellular
Class Objective: Identify two defining characteristics for each domain and kingdom of life. multicellular use photosynthesis to make food from sunlight, CO2, and water
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Kingdom Animalia multicellular eat other living things for food
Class Objective: Identify two defining characteristics for each domain and kingdom of life. multicellular eat other living things for food most can move
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The TREE OF LIFE: All Living Things
Protists
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Bio 9B: Tuesday, 9.15.09 Title: Domains and Kingdoms of Life
Homework: (Hold onto Section 1.8 Homework) Classification Reflection Due Thursday Do Now: Look back to your Do Now from Thursday How did you classify Euglena? Objectives for Class: Compare and contrast classification systems for living things. Compare and contrast the major Domains and Kingdoms of Life
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Another Look at Euglena
Class Objectives: Compare and contrast the major Domains and Kingdoms of Life Classifying organisms into the major Domains and Kingdoms of Life A few notes on Euglena: It has a nucleus It is a single-celled organism It does NOT have a cell wall The green spots are chloroplasts It can both produce food through photosynthesis like a plant does (autotroph) Eat other organisms for food like an animal does (heterotroph)
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Open Response Practice: Classifying Euglena
Class Objectives: Compare and contrast the major Domains and Kingdoms of Life Classify organisms into the major Domains and Kingdoms of Life Think, Pair, Share Think: Would you classify this as a prokaryote or eukaryote? Why? Based on the classification scheme we are using, into which Domain and Kingdom would you classify Euglena? Use 3 specific characteristics of the Domain and Kingdom to explain your reasoning for putting Euglena into those categories. Pair: Peer Correcting Share: Class Discussion
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