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Related Flashcards
Related Topics
Cards In This Set
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5 General Characteristics of a Living thing?
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1.) Birth and Death
2.) Need for an Energy Source 3.) Reproduction 4.) Information 5.) Evolution |
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Genome
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Essentially fixed set of infomation in an individual
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Basic attributes that differ from one species to the next?
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1.) The presence of a nucleus
2.) Multi-cellular, single-celled, colonial 3.) autotrophs, heterotrophs, chemoautotrophs, or mixotrophs 4.) Modes of reproduction 5.) Differing life histories |
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4 Steps of Scientific Method?
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1.) Observe and describe phenomena
2.) Formulate a hypothesis 3.) Make predictions 4.) Perform experiments-must be reproducible |
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Adaptation (verb)
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The process by which natural selection has altered an individual over time
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Adaptation (noun)
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Characteristic that makes an organism more or less fit
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4 Types of Variation
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Attributes (Qualitative), Quanitative, Discontinuous, Continuous
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Ex. of Qualitative Variables
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(Attributes) Ex. human eye color, political party, blood type, gender
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Ex. of Quanitative Variables
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Measurable variables; fall along an axis; can be measured to observe their place in relation of others
Ex. Discontinuous and Continuous variables |
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Ex. of Discontinuous Variables
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Shoe size, number of mates, number of scales along a certain part of a snake's face
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Ex. of Continuous Variables
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Height, weight, age, length of an insects thorax
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Formula for Variance
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Sum of (X-Xbar)^2 divided by N-1
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Formula for Standard Deviation
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Square Root of the Variance
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Gene
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Sequence of DNA that codes for a single genetic instruction
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Allele
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One variant of a gene
Ex. Mom's genotype is BbWw The alleles she can pass down are BW, Bw, bW,bw |
