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Science 2012

Semester Test

QuestionAnswer
Inference observing something and making an assumption about your observation
Unbiased not having a strong opinion towards something
Hypothesis a prediction that can be tested
Dependent Variable the object that reacts in an experiment
Dichotomous Key a tool used to identift objects
Cell smallest unit of any organism that can work alone
Tissue a group of cells working together
Organ System a group of organs working towards a common goal
Organ a group of tissues working together
Organism an individual life form
Unicellular organism with only one cell and classified as a prokaryote
Multicellular organism with many cell types, has a nucleus in each cell, and classified as a eukaryote
Eukaryote has a nucleus, has linear DNA, has cytoplasm filled with membrane-bound organelles
Prokaryote has no nucleus, circular DNA, no membrane-bound organelles
Cilia tiny,hair-like structures that help protists move
Flagella a whip-like stucture that help protists move
Binomial Nomenclature two word naming system used to name organisms
Dominant Traits unattached earlobes, dimples
Recessive Traits uni-brow, hitchhiker's thumb
Selective Breeding the process of breeding plants and animals for specific genetic traits
Vestigial organs remaining or surviving in an imperfect form
Embroyology the study of the development of the embryo to the fetus stage
Homologous Trait ant characteristic derived from a common ancestor
Analogous similar funtion but having a different evolutionary orgin
Proton the part of the atom that has a positive charge
Electron a part of the atom that has a negative charge
Atomic Number equals the number of protons
Mass Number number of protons and neutrons
Created by: Kylan Branscomb
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