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Carter Principles of Biology Chapter 1 - The Core 2e Flashcards | StudBud
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Carter Principles of Biology Chapter 1 - The Core 2e
Carter Principles of Biology Chapter 1 - The Core 2e
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A quiz of questions from chapter 2
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1
What does the term
theory
mean to a scientist?
A guess
A hypothesis that has been supported by evidence
A proposed explanation for an observed phenomenon
A broad hypothesis, supported by a number of experiments
2
Individual pieces of information that are recorded from verifiable observations are called ___.
theories
conclusions
data
bits
3
If you give 100 people pills similar to Echinacea but with no herb, what kind of control is it?
A blind control
A double-blind control
A negative control
A positive control
4
__is the scientist credited with first describing the theory of evolution by natural selection.
Neils Bohr
August Kekule
Charles Darwin
Albert Einstein
5
The smallest level of biological organization to display all of the characteristics of life?
molecules
atoms
tissues
cells
6
Which cookies were the moistest?
Cookies with the most fat
Cookies with intermediate amount of fat
All cookies had the same moisture
Cookies with the least fat
7
Which of the following represents a double-blind study?
Test group knows but the resrchrs dont know until the end.
Neither the test group nor the resrchrs know untl the end.
The test group does not know, but the researchers do.
The test group knows and so do the researchers.
8
You need to investigate whether a metal necklace causes athletes to be faster. What's first?
Develop a hypothesis.
Conduct an experiment.
Evaluate the results.
Gather testimonials.
9
What does the process of science always begin with?
Observation
Results
Research
Hypothesis
10
Fire can move, grow, reproduce, use energy and consume oxygen. Why is it not alive?
It does not consist of complex, well-ordered structures.
It does not pass on genes for traits to its offspring.
It does not have cells.
All of the above are correct.
11
If you were to combine all of the ecosystems on the planet, you would have the ________.
biosphere
troposphere
ionosphere
envirosphere
12
True or false: The biosphere contains all other levels of biology.
True
False
13
What is the difference between a primary and a secondary source?
A primary source is the raw data before scientists publish
Primary source is original material published by scientists.
A secondary source is raw data before scientists publish.
There is no difference between primary & secondary sources.
14
_____is any type of study where evidence is improperly presented as being scientifically based.
Faux - Science
Eco science
Scientology
Pseudoscience
15
You observe that your plant is growing toward the window. Which property of life is this?
Utilizing energy
Response to the environment
Evolution
Reproduction
16
A controlled experiment is one in which ________.
the experiment is repeated many times
there are at least two groups, one doesn't get treatment
the experiment proceeds at a slow pace
groups are differing from the other by two or more variables
17
Beginning with an atom and working up to the entire planet, biologists view life from ________.
small and complex to large and simple
small and simple to large and complex
large and complex to small and simple
large and complex to large and simple
18
Many studies include a group which patients get a fake treatment that looks like the treatment.
This is called the controlled experiment.
This is called the dependent variable.
This is called the hypothesis.
The is called the placebo.
19
Why should you be skeptical of the claims made in some ads even if they show video evidence?
It was not a controlled experiment.
Health cannot be tested via the scientific method.
You cannot believe anything you see on television.
The study was too objective.
20
The statement, "There are 628 squirrels on campus," describes the __ of squirrels on campus.
population
ecosystem
species
community
21
What does it mean when we say "This scientific study was published in a peer-reviewed journal"?
This study can now be viewed on the Internet.
This study was not evaluated by other scientists.
This study was published in a newspaper.
This study was evaluated by qualified and impartial experts.
22
Why is skin considered to be an organ and not a tissue or some other structure?
Skin is a vital component of multiple organ systems.
It consists of many tissue types cooperating to do a task.
It consists of many cell types functioning as a single unit.
Skin consists of a single cell type.
23
True or false: Biology is the scientific study of life
False
True
24
Regardless of the amount of fat in cookies, the most common cell size in a cookie was ________.
between 280 and 500 μm
between 1,000 and 15,000 μm
very large (larger than 1,500 μm)
very small (smaller than 100 μm)
25
What is the unifying or "core" theme of biology?
Nutrient recycling
Energy transfer
Hierarchical organization
Evolution
26
What type of graph is this?
A pie chart
A scatter plot
A bar graph
A table
27
Which of the following are features of pseudoscience?
has unprovable or untestable claims
repeatable results and open to outside review
does not adhere to generally accepted processes of science
b and c
28
"If taken at the beginning of a cold, Echinacea will reduce symptoms," is a(n) _____.
hypothesis
conclusion
observation
theory
29
Varying amts of fertilizer are applied to tomato plants. All other variables are kept the same.
The yield is the independent variable.
The amount of fertilizer is the dependent variable.
The temperature is the dependent variable.
The amount fertilizer is the independent variable.
30
How is life defined?
The only requirement for life is the ability to reproduce.
A living thing must be able to move.
Life is determined by neural activity.
A set of shared characteristics that all living things have.
31
Sometimes patients feel better even if the treatment was fake. What is this phenomenon called?
The control group
The fake effect
The placebo effect
The blind effect
32
The tomato plants are weighed to determine yield.
The yield is the independent variable.
Plant size is the independent variable.
The yield is the dependent variable.
The fertilizer is the dependent variable.
33
What is the smallest unit of life?
A molecule
A cell
An organism
An atom
34
What is typically the first step in the scientific method?
Experiment
Prediction
Observation
Hypothesis
35
What should you do if the results of an experiment consistently do not support the hypothesis?
Accept the hypothesis.
Reject the original hypothesis and make a new hypothesis.
Change the hypothesis to match the results.
Change the results to match the hypothesis.
36
A college campus including the students, birds, sidewalks, and air makes up one complete ____.
organism
population
ecosystem
community
37
Some parasites can't survive outside of the host. Why are they still considered alive?
As long as they are made of cells, they are alive.
Because they are studied by biologists.
Those parasites are not considered alive.
Survival outside of a host is not a requirement for life.
38
Is a virus alive?
Yes, it possesses all of the requirements for life.
Yes, it has enough to be considered living.
No, it does not possess any of the requirements for life.
No, it does not possess all of the requirements for life.
39
Is the tomato experiment a controlled experiment?
Yes, because everything else was kept the same.
No, because the experiment was done only once.
Yes, because many pots were used.
No, several different amounts of fertilizers were used.
40
A population consists of ________.
a group of interacting individuals from different species
a group of interacting individuals of one species
interacting populations
living and nonliving components
41
Which of the following is correct from largest to smallest, in the hierarchical order of life?
Community, Ecosystem, Population, Tissue, Organ
Tissue, Organ, Cell, Atom, Molecule
Ecosystem, Population, Community, Organ system → Organ, Cell
Ecosystem,Community, Population, Organ, Tissue,Cell,Molecule
42
The scientific method ________.
is the only means by which absolute truth can be uncovered
is a rigid methodology that must be precisely followed
is a rough recipe to answer questions
can only by done trained scientists in a laboratory setting
43
Which type of cookie is the heaviest?
Cookies with intermediate amount of fat
Cookies with the most fat
Cookies with the least fat
The amount of fat did not affect the weight of cookies
44
Which property or properties of life does a virus possess?
All of the above are properties that a virus possesses.
A virus has cells.
A virus can reproduce on its own.
A virus has order.
