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44 Cards in this Set
- Front
- Back
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Hierarchy from greatest to least.
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Biosphere, Ecosystem, Community, Population, Organism, Organ system, Organ, Tissues, Cells, Organelles, Molecules.
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What is the Biosphere?
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Area on earth where there is life
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What is the Ecosystem?
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All the living and non living things in a given area.
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What is the Community?
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All the living things in an given area.
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What is the Population?
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All the members of a particular species.
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What is the Organism?
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Individual.
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What is the Organ system?
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Parts of a body.
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What the the Organ?
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Parts of a organ system.
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What is the Tissues?
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Stuff that makes up organs.
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What is the Cells?
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Make up tissues; basic unit of life.
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What is the Organelles?
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Parts of the cell.
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What is the Molecules?
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A cluster of Atom; smallest unit of matter.
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What would be a good controlled experiment?
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1. Control group
2. Experimental group 3. Only one variable 4. Large number of subject 5. Repeat the experiment. |
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What is the steps of Scientific Method?
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1. Identify the problem
2. Form a question 3. Form a hypothesis 4. Create a Controlled Experiment. 5. Collect data 6. Analyze data 7. RETEST !! |
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What is the difference between a hypothesis and a theory?
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Hypothesis is only a statement, but a theory is more broad.
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What is the Control group?
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the "baseline" or the comparison group.
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What is the Experimental group?
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Group that receive the "thing" that is to be tested.
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What are the two Variables in a Controlled Experiment?
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1. Independent variable, or the manipulated variable.
2. Dependent variable, or the Responding variable. |
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What is the Independent Variable?
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Controlled by the experimenter.
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What is the Dependent Variable?
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Thing you measure, and influenced by the independent variable.
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What is considered alive?
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Life Processes
HNTRSGERMR 1. Homeostasis 2. Nutrition 3. Transport (inside the body) 4. Respiration 5. Synthesis (to "make" stuff) 6. Growth 7. Excretion 8. Regulation (responding to inside environment) 9. Metabolism (Chemical reaction inside the body) 10. Reproduction |
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What is Homeostasis?
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Maintaining a stable internal environment
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What is Metabolism?
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All the chemical reaction in the body
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What are the life Characteristics?
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1. Genetic Information (DNA)
2. Growth and Development 3. Regulation (internal) and Response (external) 4. Energy Utilization 5. Reproduction 6. Evolution |
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What are the two types of Reproduction?
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1. Asexual
2. Sexual |
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How do we organize life?
What are the 3 Domains? |
1. Archaea
2. (Eu)bacteria 3. Eukarya |
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What is the difference between bacteria and Archaea?
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Archaeas live in extreme conditions and bacteria does not.
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What is the 5 kingdom system?
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1. Monera
2. Protists 3. Fungi 4. Plant 5. Animal |
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What is the characteristic of Monera?
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Prokaryote
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What is the characteristic of Protists?
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Unicelluar, eukaryote
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What is the characteristic of Fungi?
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Multicelluar, Heterotrophic, eukaryote, cell wall.
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What is the characteristic of Plants?
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Multicelluar, Autotrophic, eukaryote, cell wall.
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What is the characteristic of Animals?
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Multicelluar, Heterotrophic, eukaryote,
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What is the taxonomical classification from greatest to least?
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1. Domain
2. Kingdom 3. Phylum 4. Class 5. Order 6. Family 7. Genus 8. Species |
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What is the Binomial Nomenclature?
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1. "2-name" system
2. Scientific names 3. Genus Species |
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What is a Single-Blind Study?
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The subjects are unaware of the treatment they are being given.
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What is a Double-Blind Study?
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The subject + experimenter are unaware of the treatment given the subject.
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What is Adaptation?
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features that evolved by means of natural selection
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What is Nutrition?
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all the activities by which an organism obtains food from the environment and breaks it down into a form that can be absorbed by its cells.
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What is Transport?
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involves the absorption and distribution (circulation) of essential materials throughout the organism.
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What is Cell Respiration?
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Cell respiration (different from breathing) releases energy from food by a complex series of chemical reactions.
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What is Excretion?
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process by which wastes of metabolism are removed from the organism.
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What is Synthesis?
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the process by which simple molecules are combined chemically to form more complex molecules.
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What is Growth?
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increase in size of an organism resulting from the synthesis of food substances into new materials and new structures.
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