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what is the study of life called? |
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Cellular Organization, Sensitivity, Order, Homeostasis, Energy Utilization, Evolutionary Adapation, Growth/reproduction/development |
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What is the seven characteristics of life? |
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It must have at least one cell. |
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One characteristic of life is cellular organization, describe what this entails? |
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Atoms, molecule, macromolecule, organelle, cell, tissue, organ, system, organism |
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One characteristic of life is order, what is the order for life? |
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What are the two ways that scientist think called? |
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Taking a general princple and then applying it to a specific situation |
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What is deductive reasoning? |
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Making an observation and then building a general principle. |
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What is inductive reasoning? |
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What is a suggestive explanation for an observation that is seen? |
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They do experiments and try to replicate the work, if they can't disprove it, it eventually becomes a theory. |
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How do scientists try to disprove a hypothesis? |
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How an organism responds to stimuli, e.g. taking hand off of a hot stove. |
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One characteristic of life is sensitivity, describe what this entails? |
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The process in which organsims keep constant internally althought the external factors are different, e.g., body temperature |
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Organisms have to be able to survive and interact with other organisms. |
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One characteristic of life is evolutionary adapation, describe what this entails? |
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Cellular, organismal, population, and ecosystem |
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What are the four levels of the biological world? |
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Atoms are joined into clusters called... |
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Molecules are asssembled into... |
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Organelles are bounded into... |
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What is a group of similar cells that act as a functional unit? |
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Tissues are grouped into... |
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A group of the same species living in the same place is called? |
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The _________________ consists of all the populations of different species. |
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The entire planet is known as the _______. |
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novel properties arising from the way in which componets interact. |
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What are emergent properties? |
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what was the most important accomplishment of molecular biology in the 21st century? |
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the circumferece of the earth |
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Definition
Erastisthenes used Euclidean geometry to estimate what? |
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After making careful observations, scientist construct what? |
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a proposition that might be true. |
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The test of a hypothesis is called what? |
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one variable is altered in a way to test a particular hypothesis. |
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What happens in a test experiment? |
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no variables are altered. |
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what happens in a controlled experiment? |
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He performed an observation between spontaneous generation and the germ hypothesis. |
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Describe Louis Pasteur's experiment. |
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When scientist break down a complex system to examine its working parts. |
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Reductionism has been the general approach of what branch of biology? |
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When do enzymes behave differently from their normal context in cells? |
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They provide a way to think about a problem and get a closer look at it. |
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1. as a proposed explanation for a natural phenomenon.
2. a body of concepts that are supported with evidence and reasoning. |
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Definition
Name the two ways scientist use the word theory. |
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it is driven by a scientists curoisty or interest in a scientific question |
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is used to solve practical problems. |
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What is applied research? |
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They are published by other scientists and are used as a "peer review." |
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What are result journals? |
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how organisms on Earth have changed over time and acquired a diversity of new forms. |
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Definition
Darwin's theory of evolution explains and describes what? |
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"On the Origin of Species by means of Natural Selection" |
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What book did Darwin write? |
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Organisms and their structures resulted from direct actions of a creator. |
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Before Darwin, most people believed what? |
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What principle did Darwin find? |
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South America and the Galapagos Islands |
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It is made by individuals having certain attributes that give them an advantage in their enviornment. |
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The breeders select certain animals to create certain characteristics. |
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What is artifical selection? |
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Who was a co-partner and had the same ideas as Darwin? |
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What provided strong evidence for Darwin's theory? |
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They have the same evolutionary origin but now differ in structure and function. |
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What are homologous structures? |
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They have same function but different origins. |
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What are analogous structures? |
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It is the pattern of descent, a "Family tree." |
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What is a phylogenetic tree? |
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What did Robert Hooke do? |
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How many differenct nucleotides are found in DNA? |
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The entire set of DNA instructions that specifies a cell |
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Bacteria, Archaea, and Eukarya |
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What are life's "three great groups" called? |
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Archaea and Bacteria, prokaryotes |
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Which group(s) are composed of single celled organisms and what are they known as? |
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What group(s) are made up of organisms and what are they called? |
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Plantae, Fungi, Animalia, and Protista |
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What kingdoms is Eukarya made up of? |
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it consists of all unicellular eukaryoutes and multicellular algae |
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Describe the protista group. |
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organisms that have cell walls of celloluse and energy from photosynthesis |
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Describe the plantae group. |
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It has cell walls of chitin and gets energy from secreting digestive enzymes |
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Describe the fungi group. |
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It has no cell walls and energy comes from digesting internally |
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Describe the animalia group. |
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It is used to direct the synthesis of cellular components. |
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Definition
What is the information stored in DNA used for? |
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proteins in the membrane, the function of tissues and organs |
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Cells process information and sense their enviornment through what? And what is this ability essential to? |
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A constant supply of energy to maintain their stable nonequilibrium state. |
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Charles Darwin did a five year navigation on what ship? |
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What book was created to talk about man descending from apes? |
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age of the earth, molecular biology, fossil record, and comparative anatomy |
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What are the four supporting ideas of evolution? |
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