Font size
WorksheetsRevision on Chapter 1
Total questions: 18
Worksheet time: 13mins
Which of the following is NOT a characteristic of all living things?
growth and development
ability to move
response to the environment
ability to reproduce
Cells in multicellular organisms have many different sizes and shapes. These differences in cells is called cell specialization. Cell specialization allows cells to
reproduce.
perform different functions.
respond to their environment.
be less complex.
The process by which organisms keep everything inside their bodies within certain limits is called
Homeostasis
evolution
metabolism
photosynthesis
A scientist working in which area of biology is MOST likely to study DNA?
information and heredity
cellular basis of life
matter and energy
interdependence in nature
Focusing on which two central themes in biology would help a student understand why animals come in different shapes and sizes?
cellular basis for life; homeostasis
structure and function; unity and diversity of life
matter and energy; homeostasis
science as a way of knowing; interdependence of nature
Biologists who work in the fields of genomics and molecular biology study
the biosphere
DNA
diseases
trees
A paleontologist would likely be most interested in finding
weapons for an evolutionary arms race with disease-causing organisms.
a universal Tree of Life.
weather patterns that affect life on Earth.
genetic codes to rewrite.
How many meters are in 2.4 km?
240
2,400
24,000
240,000
Information gathered from observing a plant grow 3 cm over a two-week period is called
inferences
variables.
hypotheses.
data.
Based on your observations, you suggest that the presence of water could accelerate the growth of bread mold. This is
Conclusion
Hypothesis
experiment
analysis
A scientific hypothesis
can be based on personal beliefs or opinions.
can be tested by experiments or observations.
does not have to be tested to be accepted as correct.
is a proven fact with much evidence to support it.
During a controlled experiment, a scientist isolates and tests
a conclusion.
a mass of information.
a control group.
a single variable.
Suppose that a scientist proposes a hypothesis about how a newly discovered virus affects humans. Other virus researchers would likely
reject the hypothesis right away.
change the hypothesis to fit their own findings.
design new experiments to test the proposed hypothesis.
assume that the hypothesis is true for all viruses.
The work of scientists usually begins with
testing a hypothesis.
careful observations.
creating experiments.
drawing conclusions.
The work of scientists usually begins with
(a)
The process by which organisms keep everything inside their bodies within certain limits is called
(a)
A paleontologist would likely be most interested in finding
weapons for an evolutionary arms race with disease-causing organisms.
a universal Tree of Life.
weather patterns that affect life on Earth.
Number of bones that a dinosaur had
What does the molecular biology study?
