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Biology

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AP Biology
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http://course-notes.org/Biology

biodiversity top 10

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Biology
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Name _____________________________ Period _________ AP Biology Date ______________________ 1 of 7 Developed by Kim B. Foglia ? www.ExploreBiology.com ? ?2010 REVIEW UNIT 7: BIODIVERSITY (CLASSIFICATION / TAXONOMY / SYSTEMATICS) DOMAINS 1. Cladogram or phylogenetic tree (an evolutionary tree diagram) illustrating the relationship between the three domains. 2. Key characteristics that distinguish the three domains. DOMAIN CHARACTERISTICS EXAMPLES Bacteria (Eubacteria) unicellular prokaryotes peptidoglycan cell wall, cell membrane, ribosomes no membrane-bound organelles naked DNA, single circular chromosome, asexual reproduction = binary fission heterotrophs, photoautotrophs, chemoautotrophs rods, spheres, spirals; Gram positive & negative stain

Scientific Processes

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Biology
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As with any science, Biology has developed because of scientists sharing their observations and being aware of their surroundings. Anyone can be a scientist as long as they ask questions and think about the changes that take place in their environment and how it might affect you! DO NOW: What process do biologists use in solving a problem or answering a question? 6 Stages to the Scientific Method OBSERVATIONS: Make a note of events using one or more of your 5 senses. ASKING QUESTIONS: your observations raise these. FORMULATE A HYPOTHESIS: a proposed explanation that can be tested. MAKE PREDICTION: this is what you expect to happen if your hypothesis is correct. 6 Stages of the Scientific Method 4. EXPERIMENTING: testing the hypothesis with a planned procedure.

Phylogeny and the Tree of Life

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Biology
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Chapter 26 Phylogeny and the Tree of Life Overview: Investigating the Tree of Life Phylogeny is the evolutionary history of a species or group of related species. The discipline of systematics classifies organisms and determines their evolutionary relationships. Systematists use fossil, molecular, and genetic data to infer evolutionary relationships. Taxonomy is the ordered division and naming of organisms. Binomial Nomenclature In the 18th century, Carolus Linnaeus published a system of taxonomy based on resemblances. The two-part scientific name: Genus species. The first letter of the genus is capitalized, and the entire species name is italicized Both parts together name the species. This is the species specific epithet. Hierarchical Classification

Clicker Questions

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Biology
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DNA Tools and Biotechnology CAMPBELL BIOLOGY Reece ? Urry ? Cain ? Wasserman ? Minorsky ? Jackson ? 2014 Pearson Education, Inc. TENTH EDITION Clicker Questions byRoberta Batorsky 20 ? 2014 Pearson Education, Inc. The photograph shows Rainbow and CC (CC is Rainbow?s clone). Why is CC?s coat pattern different from Rainbow?s given that CC and Rainbow are genetically identical? random X chromosome inactivation heterozygous at coat color gene locus environmental effects on gene expression all of the above ? 2014 Pearson Education, Inc. 2 Answer: D The photograph shows Rainbow and CC (CC is Rainbow?s clone). Why is CC?s coat pattern different from Rainbow?s given that CC and Rainbow are genetically identical? random X chromosome inactivation heterozygous at coat color gene locus

water potential

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Biology
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Water Potential ( (the Greek letter psi, pronounced "sigh") Plants must balance the intake of water with water loss. Osmosis is the passive movement of water across a cell membrane. There are openings between adjacent plant cell walls called plasmodesmata (which rhymes with stomata), so osmosis is not impeded by cell walls. FYI: The biopolymer/carbohydrate/polysaccharide, amylopectin (or simply "pectin") is a sticky substance that kind of glues plant cells together. You can buy this stuff in a refined form in stores. It is used to make jelly gel.

Photosynthesis

Subject: 
Biology
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Tags: 
Photosynthesis
Plant physiology
Biological processes
metabolism
Ecosystems
Carbon dioxide
Carbohydrate
Oxygen
Chloroplast

Student Worksheet?Biology Strand: Molecules and Cells Name___________________________ Date__________________ School_________________ Student?please print this worksheet and complete it as you interact with the tutorial. The completed worksheet should be turned in to your assigned teacher. Tutorial: The Source of Oxygen produced by Photosynthesis Site: http://bcs.whfreeman.com/thelifewire/content/chp08/0802001.html Read the introduction and answer questions 1-4. Chloroplasts use ______________________ energy to convert carbon dioxide and water into carbohydrates. A by-product of photosynthesis is ____________________ that is released into the atmosphere.

Mitosis

Subject: 
Biology
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Tags: 
mitosis
cell cycle
Prometaphase
Metaphase
Telophase
Anaphase
Chromosome
Prophase
Meiosis
Aster

Page 1 of 2 Mitosis continued Page 2 of 2 Student Worksheet?Biology Strand: Molecules and Cells Name___________________________ Date__________________ School_________________ Student?please print this worksheet and complete it as you interact with the tutorial. The completed worksheet should be turned in to your assigned teacher. Tutorial: Mitosis List the major things that happen during each phase of mitosis: Prophase_____________________________________________________________ ____________________________________________________________________ Prometaphase/Metaphase____________________________________________________________________________________________________________________

Lipids

Subject: 
Biology
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Tags: 
nutrition
Lipids
Triglyceride
Fat
Unsaturated fat
Saturated fat
Neutral fat
Cholesterol
Fatty acid synthesis
Fatty acid metabolism

Student Worksheet?Biology Strand: Molecules and Cells Name___________________________ Date__________________ School_________________ Student?please print this worksheet and complete it as you interact with the tutorial. The completed worksheet should be turned in to your assigned teacher. Tutorial: Lipids Lipids are ____________________ molecules that are____________ in the water. Three examples pf lipids are neutral fats, phospholipids and ________________________. Neutral fats (triglycerides) help the human body stores energy fuel, insulates body tissues. Natural fats (triglycerides) are three fatty acid chains attach to a _______________. The building blocks of natural fat molecules are _________________.

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