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