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Biology ch 1 Flashcards | StudBud
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Biology ch 1
Biology ch 1
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Answers
1
A newborn baby gains 1 pound in it's first week of life is an example of
response to the environment
reproduction
homeostatis
growth and development
2
A hypothesis
can be completely proven
may be disproved by a single experiment
is a proven fact.
does not have to be tested to be accepted
3
You suggest that the presence of water could accelerate the growth of bread mold. This is a(n)
conclusion
hypothesis
analysis
experriment
4
How many meters are in 5.3 km?
530,000
5,300
53,000
530
5
Which of the following is not a safety procedure?
Follow the textbook instructions exactly
Read all the steps in your activity before doing it
If in doubt about part of an activity, trust your instincts
Follow your teacher's instructions
6
Two cells from different parents unite to produce the first cell of a new organism is
Homeostasis
Asexual reproduction
Sexual reproduction
Development
7
If a worm is 200 mm, how many cm is it?
2 cm
20 cm
2000 cm
200 cm
8
What type of living organisms should you not come into contact with in a laboratory?
animals
plants
organisms that can be seen only with a microscope
organisms that cause disease
9
Which of the following is NOT a goal of science?
to investigate and understand the natural world.
to use derived explanations to make predictions.
to explain events in the natural world.
to use data to support a particular point of view.
10
A controlled experiment allows the scientist to isolate and test
a single variable.
several variables.
a mass of information.
a conclusion.
11
A theory
can be changed as new facts are discovered
is always true
is the opening statement of an experiment
12
In the metric system, the base unit of length is the
liter
yard
meter
gram
13
The process by which organisms keep their internal conditions fairly constant is called
photosynthesis
evolution
homeostasis
metabolism
14
Biology is the study of
the living world
the land, water and air.
the environment
animals and plants
15
Scientists publish the details of important experiments so that
their work can be repeate
all of the above
others can try to reproduce the results
their experimental procedures can be reviewed
16
Information gathered from observing a plant grow 3 cm over a two week period results in
data
variables
inferences
hypothesis
17
A Venus fly trap closes on a fly is an example of
growth
reproduce
response to the environment
18
Which characteristic of living things best explains why birds fly south for the winter?
Living things are based on a universal genetic code.
Living things maintain internal balance
Living things are made up of cells.
Living things respond to their environment.
19
What is the best reason to use a scanning electron microscope?
ability to see 3D image
ability to see movement within living cells
ability to observe live organisms
ability to magnify organ systems
20
The base unit of mass in SI (metric system) is the
ounce
meter
gram
liter
21
Which characteristic of life is most important to for the survival of the species?
metabolism
reproduction
growth and development
response to the environment
22
What is the base unit to measure volume?
liter
gram
meter
ounce
23
How many Kilometers is 200 meters?
2 Km
200,000 Km
.2 Km
24
To observe a small, living organism, a scientist might use a(n)
compound light microscope
electron microscope
electric scale
Transmission electron microscope
25
The statement, "The worm is 2 cm long," is a(n)
Quantitative observation
Inference
Qualitative observation
Hypothesis
26
What is the highest possible magnification can be used in order to view living cells?
1,000 with a compound light microscope
10,000 with a transmission electron microscope
1,000 with a scanning electron microscope
2,000 with a transmission electron microscope
27
A well tested explanation that summarizes a broad range of hypotheses is a(n)
inference
theory
law
28
The work of scientists usually begins with
drawing conclusions.
creating experiments.
testing a hypothesis.
careful observations.
29
Which of the following about a controlled experiment is true?
Controlled experiments cannot be performed with plants
Only one variable is tested at a time
All variables must be kept the same
They cannot be repeated
30
Which of the following is not a characteristic of all living things?
growth and development
ability to reproduce
ability to move
ability to respond to the environment
