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68 Cards in this Set

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