Bio 1 Chapter 1 Terms
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Bio 1 Chapter 1 Terms
Bio Chapter Terms
All the terms from Biology 1 Chpter 1
The production of offspring that does not involve the union of gametes.
an organism that uses energy to synthesize organic molecule from inorganic substances
the science of life, the study of all living things
a process in which the cells of a multicellular individual become specialized during development
A double helix-shaped nucleic acid
The study of a relationship between organisms and their environment.
all the biotic and abiotic components of an environment.
All the changes that have formed life on Earth from it earliest beginnings to the diversity that characterizes it today.
Change over generation
a segment of DNA that contains coding for a polypeptide of protein; a unit of hereditary information
an organism that obtains organic food molecules by eating other organisms or their by products.
The stable internal condition of a living thing
a livving thing that consists of more than one cell.
the process by which organisms with favorable variations reproduce a higher rates that those without such variations.
a form of life composed of mutually interdependent parts tat maintain variouse vital processes
the converion of light energy into chemical energy stored in organic compounts
the production of new off-spring
the production of offspring from the combination of genetic material from two parent organisms
living thing composed of one cell
is the formation of two cells from an existing cell
The process by which an organism grows
the sum of all chemical processing in living things
In an experiment, a group or individual that serves as a standard of comparison with another group or individual to which it is identical except for one factor.
a test of variables using a comparison of a control group with an experimental group.
include any and all information that scientists gather in tryig to answer their questions.
the responding cariable in an experiment
the process of testing a hypothesis of prediction by gathering date under controlled conditions.
A statement that can be tested experimentally
an experimentally manipulated variable
a conclusion made o the basis of facts or premises rather that on direct observations
essentially an explanation supported by data
typically employs one or more of the five senses to perceive objects or events.
a statement made in advance that state the results that will be obtained from testing a hypothesis, if the hypothesis is supported
is the technique of using a sample, tat is a small part, to represent an entire population.
a Broad and comprehensive statement of what is believed to be true, supported by considerable experimental evidence resulting from many tests of related hypotheses
on of seven fundamental units of SI measurement that describe length, mass, time, and other quantities
Compound Light microscope
Compound Light microscope:
an instrument that magnifies small objects so they can be seen easily using two or more lenses
a group of subjects that are exposed to the variable of a control experiment
are produced by the mathematical relationship between two base units or between two derived units
an instrument that uses a beam of electrons rather that a beam of light to enlarge the image of an extremely small object so that it can be seen.
the increase of an objects apparent size
an instrument that produces an enlarged image of an object
lenses can be rotated into place with the nosepiece
which is positioned directly above the specimen
in a microscope, the lens in the eyepiece
Power of Magnification
Power of Magnification:
in a microscope, the factor of enlargement.
the power of microscope to show detail
Scanning electron microscope (SEM)
Scanning electron microscope (SEM):
a microscope that produces an enlarged image of the surface of an object with a beam of electrons rather than light.
the official name of the measurement system
where the slide is placed under the objective lens
Transmission Electron Microscope
Transmission electron microscope:
a microscope that transmits a beam of elcetrons rather that light through a thinly sliced specimen