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Amentler Unit 1: Basics of Biology Flashcards | StudBud
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Amentler Unit 1: Basics of Biology
Amentler Unit 1: Basics of Biology
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Miller and Levine chapter 1
Flashcards
33 cards
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Practice quiz
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Questions
33
Answers
1
Why is it important to have a control group?
it is the one the scientist is in control of
without one there is no basis for comparison
it provides extra experimental subjects
required for development of an "if/then" statement
2
The amount of light and temperature are examples of
methods of energy production
factors to which living things respond
factors that affect reproduction
factors necessary for life
3
Which characterisitc is shared by all prokayotes and eukaryotes?
ability to move
contains DNA
use of photosynthesis to produce energy
contains nucleus and organelles
4
The ability to reproduce results is an important part of any
experiment
hypothesis
law
theory
5
The farther a ball drops, the higher it will bounce. What is the DEPENDENT variable?
how high the ball bounces
there is none
the height from which the ball is dropped
the ball
6
A hypothesis must be
proven beyond doubt
stated after the experiment
testable
unable to be repeated
7
Which example is an activity that fish most likely uses to maintain homeostasis?
using camouflage to avoid predators
moving to deeper water to regulate metabolic wastes
feeding at night to regulate body temperature
exchanging gases through its gills to regulate oxygen levels
8
When applying the process of science, which is tested?
observation
hypothesis
question
result
9
When enough experimental data supports a hypothesis, the hypothesis becomes a(n)
fact
theory
inference
conclusion
10
A controlled experiment allows the scientist to isolate and test
a mass of information
several variables
a conclusion
a single variable
11
Which of the following is NOT a characteristic of living things?
ability to reproduce
ability to move
growth and development
response to the environment
12
The work of scientists usually begins with
drawing conclusions
testing a hypothesis
creating experiments
careful observations
13
A control group and an experimental group are identical EXCEPT for one factor -
control variable
dependent variable
vector variable
independent variable
14
Information that is NOT numbers is called
description
development
qualitative data
quantitative data
15
Two cells unite to form a new cell
sexual reproduction
homeostasis
respond to environment
asexual reproduction
16
The process by which organisms keep their internal conditions fairly constant is called
metabolism
photosynthesis
homeostasis
evolution
17
The process by which an organism maintains internal balance is
fasting
homeopathic
equilibrium
homeostasis
18
Growth is
a change in function
a new part
a change in shape
a change in size
19
A theory
is the opening statement of an experiment
is a problem to be solved
is always true
may be revised or replaced
20
A signal from the outside that produces a response is a
stimulus
equity factor
control variable
dependent variable
21
Which of these in an inference?
I lost my car key.
If I turn the key and step on the gas then my car will start
My car won't start.
My car's battery is dead
22
You suggest that the presence of water could accelerate the growth of bread mold. This is a(n)
analysis
conclusion
hypothesis
experiment
23
What is a hypothesis?
tentative explanation that can be tested
an unproven theory
fact based on data that is testable
fact that is falsifiable
24
Cell specialization allows cells to
be less complex
respond to their environment
perform different functions
reproduce
25
Which characteristic of life is more important to the GROUP than to an INDIVIDUAL?
reproduction
respond to environment
evolution
growth and development
26
Information gathered from observing a plant grow 3 cm over a 2 week period results in
data
hypotheses
variables
inferences
27
A controlled experiment....
proceeds at a slow pace to observe reactions
there are at least 2 groups 1 of which is not tested
is repeated many times to be sure the results are accurate
1 group for which the scientist controls all variables
28
Biology is the study of
insects
life
plants
the ocean
29
Which characteristic of life explains why birds fly south for the winter?
they maintain internal balance
they respond to their environment
they are based on a universal genetic code
they are made up of cells
30
Type of reproduction in which a cell simply splits into 2
sexual
asexual
antisexual
31
Which of the following is NOT a characteristic of living things?
uses materials & energy
genetic code
movement
reproduction
32
A hypothesis is only useful if
it can be proven incorrect
it can be proven correct
the explanation is already known
it can be tested
33
The building up or breaking down of materials through chemical reactions is called
cell fractionation
homeostasis
metabolism
messenger pathways
