Biology 1.7: Biology: The Definition of Life – Section 1 Review
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To study living things is the science called b_____.
The study of life and the changes that take place with living things is
b_____.
A person who studies the living world around them is a b_____.
Any living biological thing is an o_____.
Any form of life can be called an o______.
A living thing that has the ability to react to its environment is an o_____.
The smallest unit of matter (anything that has mass and takes up space) is
the a_____.
The smallest particle of a living organism is the a_____.
A living thing, an organism, is made up of trillions of a_____.
The building blocks of all organisms are c_____.
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All organisms are made of and develop from a c_____.
A life form made of only one cell is u_____.
If a living thing has only one cell that performs all the functions it needs to
sustain life, it is u_____.
A life form made of many cells is m_____.
If a living thing has many different cells that perform different functions to
sustain life for the whole organism, it is m_____.
A living thing can be just one c_____. A living thing can be more than one
c_____.
All living organisms have the ability to maintain stable internal conditions,
called h_____.
H_____ is the ability to maintain ideal internal conditions in different,
sometimes hostile environments.
When a cell divides into two separate cells it is called a_____ r__________.
A type of reproduction where only one single parent cell splits apart to
make 2 separate cells is called a_____ r__________.
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A type of reproduction where two parents each contribute to the creation of
a third living organism is called s_____ r__________.
S_____ r__________ is the production of offspring through the union of a
sperm and an egg.
Changing to meet the demands of the environment is the ability to e_____.
Organisms e_____ in response to changes in the environment.
All living organisms exhibit m__________.
M__________ is breaking down energy so it can be used by cells.
M__________ is creating energy so it can be used by cells.
All living organisms develop and mature over time as a part of their
g_____.
All living organisms exhibit g_____ in size or number of individual cells.
All living things react to something that happens to them or around them –
they react to a s_____.
S_____ can be anything from touch, heat, wind, sounds, or lights and all
living things react to these outside forces.
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The ability to change the position of part or all of its body is the ability to
m_____.
The chemical and physical activities of a living organism usually require
that organism be able to m_____ in response to s_____.
The length of time of an organism’s life (from birth to death) is its l_____.
All living organisms have a finite l_____.
The first living organisms were s_____ c_____ life forms.
The first life forms started in the oceans as s_____ c_____ life forms.
Multiple cells became different from each other in a process called
d__________.
Cells undergo d__________ so they can have different purposes and
functions.
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