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Campbell Biology Exam – ALL 2024 Questions | Questions And Answers Latest {} A+ Graded | 100% Verified
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Campbell Biology Exam – ALL 2024 Questions | Questions And Answers Latest {2024- 2025} A+ Graded | 100% Verified

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  • August 20, 2024
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Campbell Biology Exam – ALL 2024 Questions | Questions And Answers Latest {2024-
2025} A+ Graded | 100% Verified


An example of a stimulus that a plant would respond to is: - sunlight



Which of the following things would be considered complex AND organized? - red blood cell in the
human body



DNA is a molecule that directly allows a living thing to: - store information.



The process of homeostasis is: - how organisms maintain a relatively constant internal environment.



Living systems need energy to:



grow larger.



replace worn-out parts and build new parts.



help maintain a relatively constant internal environment.



all of the above - D



The complexity of living systems: - is also highly organized.



Identify a characteristic that is representative of some, but not all, life-forms. - movement over great
distances



Organisms with prokaryotic cells are separated into two ____, Bacteria and Archaea. - domains



___ are the most diverse and widespread prokaryotes. - Bacteria

,Most of the prokaryotes known as ___ live in extreme environments, such as salty lakes. - archaea



All organisms with eukaryotic cells are grouped in domain - Eukarya



___ are a diverse collection of mostly single-celled eukaryotes, which are sorted into several kingdoms
to reflect their evolutionary relationships. - Protists



Kingdom ___ consists of multicellular eukaryotes that produce their food by photosynthesis - Plantae



Kingdom ___ includes eukaryotic organisms that mostly decompose organic wastes and absorb
nutrients into their cells. - Fungi



Kingdom ___ consists of multicellular eukaryotes that obtain their food by ingesting (eating) other
organisms. - Animalia



Learning through Art: Nutrient Cycling and Energy Flow in Ecosystems



Can you label this diagram showing how nutrients and energy flow in an ecosystem?



First drag the blue labels to their correct locations. Then drag the pink labels to their correct locations to
show how O2 and CO2 cycle in the ecosystem. - http://prntscr.com/e22jwb



Connecting the Concepts: Evolution



Can you organize these terms that describe key ideas about evolution?



Drag the terms to their correct locations in this concept map about evolution. -
http://prntscr.com/e22kb8

,Scientists use a general process known as ___ to ask and answer questions about nature. - scientific
inquiry



Using a type of logic known as ___ , a generalized conclusion can often be drawn from a large number of
specific observations. - inductive reasoning



A(n) ___ is a proposed explanation for a set of observations. It leads to predictions that can be tested by
additional observations or by experiments. - hypothesis



___ uses ''if . . . then'' logic to proceed from a general hypothesis to specific predictions of results that
can be expected if the general premise is true. - Deductive reasoning



A hypothesis must be testable and ___ --there must be some observation or experiment that could
show that it is not true. - falsifiable



A(n) ___ involves both an experimental group and a control group, which are alike except for the one
variable that the experiment is designed to test. - controlled experiment



A(n) ___ is broader in scope than a hypothesis, is supported by a large body of evidence, and generates
many new hypotheses. - theory



Scientific Thinking: What Role Does Peer Review Play in the Process of Science?



Imagine that you are a scientist hard at work in a cancer research lab. You and many of your colleagues
are hoping to discover new powerful drugs that could prevent deaths from cancer.



Your research team has observed that cancer cells have a lower survival rate when exposed to samples
of a certain species of fungus. To study this further, your team isolated several chemicals from the
fungus, including one known to affect cell metabolism. You hypothesize that it is that chemical that
lowers the survival rate of cancer cells.



Part A - Interpreting graphs

, Based on your hypothesis, you predict that the chemical isolated from the fungus will successfully kill
cancer cells. To test this prediction, you design the following experiment.




You isolate cancerous cells from the colon of a patient from North Carolina and culture (grow) the cells -
Statement(s) supported by the data:

--------------------------

1) Cancer cells treated with the chemical have a lower survival rate than cells that are not treated.



2) After 5 days of chemical treatment, less than 50% of the cancer cells are alive.



Statement(s) NOT supported by the data:

--------------------------

1) Cancer cells treated with the chemical have a higher survival rate than cells that are not treated.



2) This chemical will be useful for treating all types of cancers.



3) This chemical will be useful for treating colon cancer, but not necessarily for other types of cancers.



4) After 10 days without chemical treatment, more than 90% of the cancer cells are alive.

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