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68 Cards in this Set
- Front
- Back
a pine tree is a member of hte kingdom _________.
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Plantae
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some members of the kingdom Protista
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have flagella
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the seven levels of classification, from general to specific, are:
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kingdom, pylum, calss, order, family, genus, species.
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Linnaeus is known for
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founding the science of taxonomy
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Organisms in the kingdom ______ usually move by themselves and ahve advanced nervous systems that allow them to respond to their environment.
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animalia
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the scientific name for the common house cat is Felis domesticus. what is its species name?
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domesticus
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Eubacteria do NOT
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live in hot springs
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fungi obtain nutrients by
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absorbing them from their surroundings.
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members of hte kingdom _______ include such organisms as the mold that grows on bread.
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Fungi
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orders of organisms are further broken down into ______.
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families
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tow organisms that are in the same class will aslo be in the same _____.
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order
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some organisms in the kingdom _______ are able to live inside the human body.
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Eubacteria
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scientists often use experiments to test their ___________, which are possible explanations for observations.
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hypothesis
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__________ is defined as the amount of space something occupies.
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volume
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a life scientist would use a _______ ______ _________ to magnify a living specimen.
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compound light microscope
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a set of related hypotheses that are supported by evidence may become accepted as a ________.
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theory
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___________ is hte use of knowledge, tools, and materials to solve problems and accomplish tasks.
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Technology
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where would you find a life scientist at work?
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studying how wasps could be used to control fire and populations
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when researchers use the scientific method, they should
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repeat or switch the order of steps needed
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a scientist who wants to stuyd the possible side effects of a new medicine would probably
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include a control group that recieved no medicine
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which tool would a life scientist use to obtain a detailed image of the nerves that brach off a person's spinal cord?
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an MRI
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an advantage of using the international system of units is that it
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gives scientists a common way to share their results
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in a scientific experiment, a hypothesis that cannot be tested is always considered to be
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not useful
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a _____ object contains the same amount of matter as a 10 kg object
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10,000 g
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in the cell membrane, _________ molecules form two layers
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phospholipid
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when a planarian worm is cut in half, each half develops into a whole worm. this is an example of _______ reproduciton
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asexual
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__________ are sometimes called the blueprints of life
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Nucleic acids
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_________ is the passing of traits from one generations to the next.
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heredity
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_________ refers to all of hte chemical activites that an organisms cells perform.
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metabolism
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________ is a complex carbohydrate manufactured by plants
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starch
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when a duck dives under water, it's inner eyelids automatically raise to cover the duck's eyes, this is in case the water acts as a
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stimulus
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the molecules that provides energy for cellular processes is
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ATP
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the subunits of protiens are
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amino acids
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cells do not use _________ for energy storage
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nucleic acids
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________ is NOT true of protiens
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they are the primary source of energy for cells
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_______ is NOT part of the cell theory.
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all cells have a nucleus and a cell membrane
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a life scientist who observes the relationships between plants, animals, wheather, and soil on a mountaintop is studying a
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ecosystem
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_______ is NOT found in plant cells
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lysosome
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_________ contain cellulose
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all plant cells
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which part of a cell manufactures lipids?
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endoplasmic reticulum
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materials that are to be released outside the cell are transported to the cell membrane in a small compartement that has pinched off the
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Golgi complex
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________ is NOT a characteristic of bacteria
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a cell membrane
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_______ are made up of various tissues that work together to perform a specific job
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organs
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the role of of the cell's _________ is to release energy tat can be used to power various celluar processes
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mitochondria
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unlike animal cells, plant cells have _______ to capture energy from teh sun.
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Chloroplasts
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cells that have no membrane-covered organelles are ________
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prokaryotic
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a prat of the Golgi complez can pinch off and form a ________, which contains digesting enzymes
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lysosome
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______is the random movement of particles form an area of high concentration to an area of low concentration
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diffusuion
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plants produce their own food by the process of _____________
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photosynthesis
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food molecules that are too large to pass easily though the cell membrane can enter by
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endocytosis
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human body cells have 23 pairs of ____________ ___________
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homologus chromosomes
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the process of cell division in a bacterial cell is called _____ _______
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binary fission
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food particals move through proteins in the cell membrane without using energy in a process called _________ _______
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passive transport
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when wilted celery is soaked in water, it becomes crisp again due to ______.
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osmosis
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fermentation in animal cells produces
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lactic acid and ATP
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oxygen is used to break down food molecules and release energy in a process called
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cellular respiration
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_______ is a product of photocynthesis
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glucose
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_____ is NOT used to make glucose in photosynthesis
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O2
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a ____________ plant produces offspring with the same taits as the parent
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true breeding
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the physical expression of an organism's genes is its ______
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phenotype
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each parent donates a set of instructions, known as
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genes
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when Mendel performed genetic crosses, the traits that seemed to vanish were ________
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dominant
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eggs and sperm are _______
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sex cells
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these may be dominant or recessive
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alleles
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if you cross two rabbits that have the genotype Bb, how many possible genotypes can be found in the offspring?
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three
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how man chromosomes are present in a normal human sex cell?
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23
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if a purple flower with the genotype Pp self-pollinates, the ratio of the purple offspring to white offspring would be
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three purple: one white
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probobility is
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the mathematical chance that an even will occur
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