WorksheetsChapter 1a/b - Scientific Method & Life?
Total questions: 45
Worksheet time: 23mins
The ability to do work and/or cause movement:
energy
matter
volume
chemistry
Physiology hinges on all of these, except:
Transferring and Storing Energy
Cell Structure & Function
Protein Function
Osmosis & Diffusion
Adaptation
Condition in which the body’s internal environment remains relatively constant; within physiological limits
homeostasis
amphipathos
heterotonicity
adaptation
What part of a feedback system sends input to the control center?
stimulus receptor
effector
What part of a feedback system sends output to the effectors?
stimulus receptor
control center
What part of a feedback system sends carries out the final action/response?
stimulus receptor
effector
control center
Observations/data described by words:
qualitative
quantitative
Observations/data described by numbers:
qualitative
quantitative
The process of using the senses to record events.
observation
data collection
hypotheses
conclusion
Info. gained via direct observation that is capable of being verified or disproved:
anecdotal evidence
empirical evidence
deductive reasoning
inductive reasoning
A possible answer to a question, or an explanation of an observation:
observation
data collection
hypothesis
conclusion
The process of developing general principles from the examination of many specific facts
anecdotal evidence
empirical evidence
deductive reasoning
inductive reasoning
The process of developing specific facts from the examination of general principles:
anecdotal evidence
empirical evidence
deductive reasoning
inductive reasoning
Recreation of an event that allows a scientist to support or disprove a hypothesis
experiment
variable
controls
placebo
The variable manipulated by the scientist:
dependent
independent
controlled
placebo
The variable measured by the scientist:
dependent
independent
controlled
placebo
The variable kept constant by the scientist:
dependent
independent
controlled
placebo
The group that has their independent variable manipulated:
experimental
placebo
control
double-blind
Results must be reliable and valid to be statistically significant.
True
False
When compared to the control group, if the experimental group displays a result that would only occur by chance in less than 1 in 20 experiments (0.05%).
qualitative
statistically significant
accuracy
repeatability
A plausible, scientifically acceptable generalization that has not been disproved.
hypothesis
theory
law
observation
A constant rule of nature.
hypothesis
theory
law
observation
Indicates that one event is the result of the occurrence of another event.
Correlation
Causation
On this figure, which part represents the change in response to a signal from the control center?
A
B
C
On this figure, which part represents the control center?
A
B
C
On this figure, which part represents the structure receiving the initial stimuli?
A
B
C
Both positive and negative feedback use receptors, control centers, and effectors.
True
False
Feedback where systems operate to reverse, reduce, or eliminate the changes detected by the stimulus receptor.
positive
negative
Feedback where systems operate to strengthen the detected change by the stimulus receptor.
positive
negative
Which structure is at the same level as the one circled in the diagram?
bladder
cardiovascular system
bacteria
carbon
Smallest nonliving unit of life
atom
molecule
compound
cell
Smallest living unit of life
atom
molecule
compound
cell
A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
atom
molecule
compound
cell
Humans are a:
prokaryote
eukaryote
A bacterium is a:
prokaryote
eukaryote
All physiological processes begin at the ______ level.
tissue
atom
molecule
cell
A unified group of similar cells performing a specific function
cells
tissues
organs
organ systems
Structures composed of more than one tissue
cells
tissues
organs
organ systems
A group of organs that perform a broad biological function
cells
tissues
organs
organ systems
An organ can not be a part of more than one organ system.
True
False
Any living unit that can function independently is called:
cells
tissues
organs
organism
Members of a particular _______ can produce viable and fertile offspring only if they breed with each other
genus
domain
class
species
Which of these are all acellular agents:
viruses, viroids, & prions
viruses, bacteria, & fungi
fungi, protozoa, & prions
viruses, fungi, & protozoa
Viruses are nonliving because they cannot:
breathe
eat
reproduce outside a host
grow
Which of the following are physiological processes of life (choose all that apply)
osmosis & diffusion
energy transfer & storage
protein function
DNA action
cellular structure & function
