Biology 101 Midterm: CH. 1

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Which of the following would be a fact?

a fungal infection is solely responsible for the spread of white noses and associated higher mortality across bat populations and species.

biological hierarchy of a multicellular organism

Cells----Tissues----Organs---Individual

which of the following would be a theory?

Specific pathogens are directly responsible for specific diseases and conditions.

a tissue is defined as

a group of cells that performs a unique set of tasks in the body

The hypothesis that there is a common ancestor to all living organisms is strengthened by what observation?

almost all cells in all living organisms use DNA to direct their structure, function, and behavior.

which of the following represents conducting an experiment?

dialing a telephone number

The human heart pumps blood throughout the blood vessels in the body. This is a scientific

fact

when scientists generate a single informed, logical, and plausible explanation for a question and observation for the natural world, they are proposing a scientific

hypothesis

DNA is one of the features common to all known forms of life;

is used to obtain energy from the environment

a scientific hypothesis must be contracted with which of the following characteristics?

it provides a reasonable explanation to a question and is consistent with current observations; it must be testable and falsifiable

carbon, hydrogen, oxygen atoms are held together by chemical bonds to for______ of sugar

molecules

a researcher studying a group of individuals of the same species living and interacting in a shared environment is said to be working at the level of a

population

experimentation is the primary, but not only, means used to verify or refute the _________ made by a hypothesis.

predictions

which of the following questions could NOT be used to develop a testable hypothesis?

should everyone drink bottled water only?

Once supported by a predictable experimental outcome, a scientific hypothesis

still cannot be considered to have been proven true.

a scientific hypothesis must be ______; if not, science cannot evaluate it.

testable

land biomes are most commonly defined by

their climate and physical characteristics that influence the dominant plant life and subsequently animal life in them

In science, when a hypothesis or group of hypotheses supported by repeated experimental holds true through time, it can be developed

theory

what characteristic is NOT shared by all living organisms?

they make their own energy

Whenever we ________, we are proceeding scientifically.

try to solve a problem by systematically evaluating the plausibility of various solutions


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