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Tuskless Storyline

Africa Storyline

TermDefinition
Adaptive Trait Any trait or characteristic that helps organisms survive.
Traits Any characteristic an organism has (Ex: blubber layer for warmth, large claws for holding prey).
Claim-Evidence-Reasoning (CER) A claim is a statement you believe is true. Evidence are the facts that prove your claim true. Reasoning is your explanation of how the evidence supports your claim.
Chromosome A long strand of DNA and proteins that are usually found in a cell's nucleus.
Gene A section of a chromosome that codes for one specific trait.
Allele Different versions of a gene (Ex: a gene for curly hair v a gene for straight hair).
Genotype The genetic combination an organism has. There are two genes for every trait, one from mom and one from dad.
Phylogenic Tree A branching diagram that shows evolutionary relationships among organisms.
Amino Acids Monomer of protiens.
TACKLE a graph Title, Axis (indep. variable on X, dep variable on Y), Circle/Connect points, Key (if necessary), Label your axis, Even and Appropriate scale (more that 50% in each direction)
Adaptive Value A trait that helps an organism survive will have adaptive value.
Selective Pressure Organisms with favorable traits survive and pass on these traits, while organisms with less favorable traits die out.
Gel Electrophoresis (DNA Profiling) A method of comparing DNA fragments to determine relationships between organisms or idividuals.
Mitosis The division of a cells nucleus (chromosomes) into two complete and identical nuclei (and chromosomes).
Selecting Agent Anything in the environment that selects who lives and who dies.
Comparative Embryology Comparing the development of embryos for similarities and differences to determine evolutionary relationships
Comparative Anatomy Comparing homologous structures to determine evolutionary relationships
Homologous Structures Structures that have similar forms even if they have a different function.
Vestigial Structures that have no current function but did function in a common ancestor (ex: whale pelvis and femur bones)
Created by: kim.agar
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