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Biology > Intro & Characteristics of Life > Flashcards

Intro & Characteristics of Life Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

The act of noticing or describing events or processes in a careful, orderly way is called ____________.

A

Observation

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2
Q

information gathered during an experiment is called _____________.

A

Data

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3
Q

A(n) ______ is a logical interpretation based on what scientists already know.

A

Inference

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4
Q

A(n) _________ is a well tested explanation that unifies a broad range of observations and hypotheses.

A

Theory

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5
Q

A(n) _____ is a scientific explanation for a set of observations that can be tested in ways that support or reject it.

A

Hypothesis

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6
Q

In __________ reproduction, the new organism has a single parent.

A

asexual

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7
Q

A(n) __________ is a signal to which an organism responds.

A

stimulus

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8
Q

is an organized way of gathering and analyzing evidence about the natural world.

A

Science

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9
Q

The study of life

A

Biology

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10
Q

a point of view that is personal rather than scientific

A

Bias

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11
Q

living things maintaining a relatively stable internal environment

A

Homeostasis

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12
Q

the combination of chemical reactions through which an organism builds up or breaks down materials

A

Metabolism

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13
Q

a molecule containing the universal genetic code

A

DNA

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14
Q

in an experiment, the group exposed to the same conditions as the experimental group except for one independent.

A

control group

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15
Q

in an experiment, the variable that is manipulated (changed)

A

independent variable

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16
Q

in an experiment, the responding variable

A

dependent variable

17
Q 
The statement "The worm is 2cm long" is a(n)
A. observation
B. theory
C. inference
D. hypothesis
A

A

18
Q 
To be useful in science, a hypothesis must be
A. measurable
B. observable
C. testable
D. correct
A

C

19
Q

Which of the following statements about a controlled experiment is true?
A. All the variables must be kept the same.
B. Only one variable is tested at a time.
C. Everything can be studied by setting up a controlled experiment.
D. Controlled experiments cannot be performed on living things.

A

B

20
Q

To ensure that a scientific work is free of bias and meets standards set by the scientific community, a
research group’s work is peer reviewed by
A. anonymous scientific experts B. the general public
C. the researcher’s friend
D. lawmakers

A

A

21
Q 
Which of the following characteristics is not shared by both a horse and the grass it eats?
A. uses energy
B. response to stimulus
C. movement from place to place
D. stable internal environment
A

C

22
Q

What is another name for the independent variable?

A

manipulated variable

23
Q

What is another name for the dependent variable?

A

responding variable

24
Q

What is quantitative data?

A

numbers obtained by counting or measuring

25
Q

What is qualitative data?

A

Descriptive and involve characteristics that cannot be easily counted

26
Q

What is the purpose of peer review?

A

This allows researchers to test and evaluate the work of others or further expand on the data.

27
Q

well-tested explanation that unifies a broad range of observations

A

Theory

28
Q

summarizing statement of observed experimental facts that has been tested many times and is generally accepted as true

A

Law

29
Q

concept based on scientific laws and axioms (rules assumed to be true and valid)

A

principal

30
Q

A regulatory mechanism that contributes to maintaining a state of equilibrium

A

homeostatic mechanism

31
Q

smallest unit of life; basic unit of structure and function

A

cell

32
Q

a single organism produces offspring identical to itself

A

asexual reproduction

33
Q

cells from two parents unite (offspring that share traits of both parents)

A

sexual reproduction

34
Q

A process in which new species develop from preexisting species (biological evolution or macroevolution)

A

Evolution

Biology (2 decks)

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