correctly answered to pass
Which domain(s) consist(s) of prokaryotic cells? - correct answer ✔✔Bacteria and Archaea
A hypothesis is a(n) ________. - correct answer ✔✔tentative answer to a question
Which of the following is NOT recycled but is lost from ecosystems? - correct answer ✔✔energy
What is biology? - correct answer ✔✔the scientific study of life
Science is ________. - correct answer ✔✔the inquiry-based effort to describe and explain
nature
You try to start your car, but it does not start. Which of these is a prediction? - correct answer
✔✔If I recharge the battery, then my car will start.
What are the two main processes upon which ecosystems depend? - correct answer
✔✔Nutrient recycling and energy flow
Which of these is required for natural selection to occur? - correct answer ✔✔all of the above
(inheritance, unequal reproductive success, and individual variation)
What does "adaptation" mean in an evolutionary context? - correct answer ✔✔the
accumulation of favorable variations in a population over time
,Discovery science is primarily based on ________. - correct answer ✔✔observation
In the process of evolution by natural selection illustrated in the accompanying figure, which of
the following is the mechanism or agent of natural selection? - correct answer ✔✔selective
predation
Humans are ________. - correct answer ✔✔consumers
Relative to prokaryotic cells, eukaryotic cells are usually ________. - correct answer ✔✔larger
and more complex
Which of these statements is CORRECT? - correct answer ✔✔Scientific ideas are subjected to
repeated testing.
How does taxonomy assist biologists? - correct answer ✔✔by categorizing diverse items into
smaller and smaller numbers of groups
Which of the following are the proper components of the scientific method? - correct answer
✔✔observation, question, hypothesis, prediction, experiment, results, conclusion
Regulation in biological systems depends on feedback, which is an example of information flow.
When diabetes destroys insulin-producing cells, what information flow is disrupted? - correct
answer ✔✔The body is unable to send signals that indicate the amount of sugar in the blood.
Which of these results would you predict to occur if climate change results in increased
warming global temperatures? - correct answer ✔✔The tree line (at which it is too cold for
trees to grow) moves toward the north and south poles.
Which of these would be a valid scientific hypothesis? - correct answer ✔✔Humans and
bacteria share a common genetic code.
, More than half of all known species are ________. - correct answer ✔✔insects
Which of the following is NOT a property of life? - correct answer ✔✔Population of organisms
rarely change over time.
A newly discovered multicellular organism obtains food by digesting dead organisms. Such an
organism is most likely a member of the kingdom ________. - correct answer ✔✔Fungi
Antibiotic resistance evolves in bacteria when ________. - correct answer ✔✔the presence of
antibiotics favors bacteria that already have genes for resistance
What is the difference between discovery science and hypothesis-driven science? - correct
answer ✔✔Discovery science is mostly about describing nature, whereas hypothesis-driven
science tries to explain nature.
The branch of biology that explains both the diversity and the unity of life is ________. - correct
answer ✔✔evolution
What are eukaryotic genes composed of? - correct answer ✔✔DNA
Members of the kingdom Plantae differ from members of the other kingdoms of Eukarya in that
most members of the kingdom Plantae ________. - correct answer ✔✔produce their own food
Information flow in biological systems is necessary for negative or regulative feedback to
operate. Which of these examples does NOT involve flow of information providing feedback? -
correct answer ✔✔Drought kills many trees.