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UNIT 1 Vocabulary Taxonomy Variable Dichotomous key Bacteria
Cell Asexual reproduction DNA Hypothesis Homeostasis Theory Controlled experiment Scientific method Classification Taxonomy Variable Dichotomous key Bacteria Binary Fission Diffusion Osmosis Prokaryotic Cells
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Smallest unit of life that contains all the materials necessary for life.
Cells
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The genetic material found in all living organisms
DNA
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The ability for all living things to maintain a stable internal environment is called
Homeostasis
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An experiment that tests only one variable at a time
Controlled experiment
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The arrangement of organisms into orderly groups based on their similarities
Classification
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The factor in a controlled experiment that can change
Variable
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The smallest and simplest organisms on the planet
bacteria
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The tendency of molecules to move from an area of high concentration to an area of low concentration
Diffusion
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A single parent produces offspring that are identical to the parent.
Asexual reproduction
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A hypothesis that has been supported by lots of evidence and experiments
Theory
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The diffusion of water molecules from an area of high concentration to low concentration
Osmosis
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A series of steps a scientist uses to answer or solve a problem
Scientific method
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Tool used to identify unknown organisms
Dichotomous Key
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A cell with no nucleus Example: Bacteria
Prokaryotic cell
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A possible explanation or answer to a scientific question
hypothesis
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Type of asexual reproduction used by bacteria, one cell splits into two.
Binary Fission
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The science of identifying, classifying, and naming living organisms
Taxonomy
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Found in all cells of living organisms, and contains the blueprint of life.
DNA
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The movement of molecules from an area of high concentration to an area of low concentration.
Diffusion
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Now it will get a bit harder… I will give you only two or three words and you will need to give me the vocabulary word they define.
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Vocabulary Taxonomy Variable Dichotomous key Bacteria Binary Fission
Cell Asexual reproduction DNA Hypothesis Homeostasis Theory Controlled experiment Scientific method Classification Taxonomy Variable Dichotomous key Bacteria Binary Fission Diffusion Osmosis Prokaryotic Cells
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Steps scientist take Scientific Method
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Smallest unit of life Cells
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Possible explanation Hypothesis
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Supported by Evidence Theory
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Genetic Material DNA
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No nucleus Prokaryotic Cell
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Identify, classify, naming
Taxonomy
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Stable, internal, environment
Homeostasis
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Cell Division, asexual Binary Fission
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Grouping by similarities
Classification
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Diffusion of Water Osmosis
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Molecules, High to low Diffusion
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Tool to identify Dichotomous key
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One parent, identical Asexual reproduction
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Factor that changes Variable
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Now a bit harder…. I will show you a picture
Now a bit harder…. I will show you a picture.. What word does it describe?
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Dichotomous Key
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Diffusion
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Binary Fission
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DNA
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Cells (building blocks of Life)
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Taxonomy
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Scientific Method
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Prokaryotic Cell
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Osmosis
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Homeostasis
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Bacteria Review
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Which of these characteristics describe bacteria?
Unicellular No Nucleus Has a cell Wall d) Reproduces asexually e) All of the above
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This Bacteria cell is reproducing by which method?
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Asexual reproduction- ONE parent Binary Fission
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An organism made up of only one cell is called?
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Unicellular Organism
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What are the two kingdoms of bacteria?
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Archaebacteria Eubacteria
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A cell with no nucleus is called ___________
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Prokaryotic cell- NO NUCLEUS!
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The genetic material found in all living organisms is called _____
The genetic material found in all living organisms is called _____. Blue print of Life
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DNA
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The building blocks of Life, also contains all materials necessary for life. Smallest unit of Life
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Cells
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Bacteria can move using a long whip-like tail called a _______
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Flagella
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What tool can scientist use to identify organisms?
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Dichotomous Key
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After forming a hypothesis, a scientist can….
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Set up a controlled experiment
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Name an organism that reproduces by binary fission.
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E-coli, streptococcus, halophiles, methanogens, thermophiles
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Transport in which molecules move from a LOW concentration to an area of High concentration.
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Active Transport
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The diffusion of water is called _________.
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Osmosis
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The ability to maintain a stable internal environment is called ___________.
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Homeostasis
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Name the 4 eukaryotic kingdoms
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Plants, Protist, Animal, Fungi
They all HAVE nuclei in their cells.
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What did Carleus Linneaus do?
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Came up with the science of Taxonomy.
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Which of the following is NOT a characteristic of all living things
Obtain and use energy Reproduce either sexually or asexually Respond to stimuli in their environment Adapt to changes in the environment Move to obtain their food and water Are unicellular or multicellular
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NOT a Characteristic Move to obtain their food and water
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An organism that can make its own food using energy from the sun is called
Producer or Autotroph
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An organism that breaks down the remains of dead organisms
Decomposer
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What shape is the bacteria below?
Baccilli
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What shape is this bacteria?
Spirilla
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What process of active transport is occurring below?
Endocytosis
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What is the arrow pointing to?
Flagellum
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What is the arrow pointing to?
DNA
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Which of the following is a decomposer?
B C
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