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Glass

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Chapter 3 Water and the Fitness of the Environment Lecture Outline Overview: The Molecule That Supports All of Life Because water is the substance that makes life possible on Earth, astronomers hope to find evidence of water on newly discovered planets orbiting distant stars. Life on Earth began in water and evolved there for 3 billion years before colonizing the land. Even terrestrial organisms are tied to water. Most cells are surrounded by water. Cells are about 70?95% water. Water is a reactant in many of the chemical reactions of life. Water is the only common substance that exists in the natural world in all three physical states of matter: solid ice, liquid water, and water vapor. Concept 3.1 The polarity of water molecules results in hydrogen bonding

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SIMR 2014 Application Fee Waiver Form: Student Name: Student Email Address: Street Address: (If the student?s family income is less than $60,000, this form does not need to be filled out. The fee will automatically be waived.) ----------------------------------------------------------------------------------------------------------------------------- Authorized Official (High School counselor, teacher, community leader) Name: Email: Phone #: High School: Official Title: Signature (electronic signature is ok): ? Economic Need (to be filled out by the authorized official above): Request from high school principal, high school counselor, financial aid officer, or

APBIOLOGY

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Chapter?1 Introduction:?Themes?in?the?Study?of?Life Multiple-Choice?Questions 1) Which?of?the?following?properties?or?processes?do?we?associate?with?living?things? A) evolutionary?adaptations B) energy?processing C) responding?to?the?environments D) growth?and?reproduction E) all?of?the?above Answer: E Topic: Overview Skill: Knowledge/Application 2) Which?of?the?following?is?not?a?theme?that?unifies?biology? A) interaction?with?the?environment B) emergent?properties C) evolution D) reductionism E) structure?and?function Answer: D Topic: Concept?1.1 Skill: Knowledge/Application 3) Which?of?the?following?sequences?represents?the?hierarchy?of?biological?organization?from?the?least?to?the?most complex?level? A) organelle,?tissue,?biosphere,?ecosystem,?population,?organism

APBIOLOGY

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Chapter?1 Introduction:?Themes?in?the?Study?of?Life Multiple-Choice?Questions 1) Which?of?the?following?properties?or?processes?do?we?associate?with?living?things? A) evolutionary?adaptations B) energy?processing C) responding?to?the?environments D) growth?and?reproduction E) all?of?the?above Answer: E Topic: Overview Skill: Knowledge/Application 2) Which?of?the?following?is?not?a?theme?that?unifies?biology? A) interaction?with?the?environment B) emergent?properties C) evolution D) reductionism E) structure?and?function Answer: D Topic: Concept?1.1 Skill: Knowledge/Application 3) Which?of?the?following?sequences?represents?the?hierarchy?of?biological?organization?from?the?least?to?the?most complex?level? A) organelle,?tissue,?biosphere,?ecosystem,?population,?organism

The Chemistry Of Life

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Chapter 2 The Chemical Context of Life Elements and Compounds An element is a substance that cannot be broken down to other substances by chemical reactions A compound is a substance consisting of two or more elements in a fixed ratio Sodium Chlorine Sodium chloride Essential Elements of Life Carbon, hydrogen, oxygen, and nitrogen make up 96% of living matter Trace elements are those required by an organism in minute quantities LE 2-3 Nitrogen deficiency Iodine deficiency LE 2-4 Nucleus Electrons Cloud of negative charge (2 electrons) Atomic Number and Atomic Mass Atoms of the various elements differ in number of subatomic particles Atomic number Mass number Atomic mass Isotopes Atoms of an element have the same number of protons but may differ in number of neutrons

The Chemistry Of Life

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Chapter 2 The Chemical Context of Life Elements and Compounds An element is a substance that cannot be broken down to other substances by chemical reactions A compound is a substance consisting of two or more elements in a fixed ratio Sodium Chlorine Sodium chloride Essential Elements of Life Carbon, hydrogen, oxygen, and nitrogen make up 96% of living matter Trace elements are those required by an organism in minute quantities LE 2-3 Nitrogen deficiency Iodine deficiency LE 2-4 Nucleus Electrons Cloud of negative charge (2 electrons) Atomic Number and Atomic Mass Atoms of the various elements differ in number of subatomic particles Atomic number Mass number Atomic mass Isotopes Atoms of an element have the same number of protons but may differ in number of neutrons

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