Principles and Applications of Biology Test 1
An ecosystem becomes more stable as the diversity of the community
increases
response
is the systems reaction to the stimulus.
Many rickettsia are:
pathogens
Malaria is caused by:
protozoan
Sexual reproduction results in a variation of traits in the offspring of successive generations.
true
The stability of a community is related to the diversity of organisms in the ecosystem.
true
An excellent tool for testing a theory is:
verifying deductive predictions
Which of the following is a good scientific hypothesis?
If a plant is given less oxygen than what is present in the air, the plant will grow more slowly.
Sex chromosome abnormalities are more common than autosomal abnormalities because:
Sex chromosome abnormalities are more common than autosomal abnormalities because:
A "producer" in an ecosystem is:
a plant
Which of the following is a reliable source of background information for researching a problem?
a scientific journal
In an experiment, the hypothesis is that a red shirt fades faster when washed more frequently. This hypothesis is _____.
all of the above
(Select all that apply.) Ecosystems _____.
can be small can be large have nonliving parts
DNA _____.
contains coded information for the creation of proteins
The component of a homeostatic control system which transmits the response is called the
effector
A person surviving a disease acquires what is called passive immunity.
false
All protozoa are also pathogens.
false
All technological advances in biology have been used to improve humanity.
false
Science is not based on inquiry, but rather on facts.
false
When properly conducted, the scientific method can ultimately prove or disprove any problem of inquiry.
false
What is the purpose of the chemical transmitter in a control system?
to enter a cell at a specific receptor site,cause an internal cell reaction which maintains homeostasis
Rapid population growth is not the main cause for hunger in the world.
true