During a controlled experiment, a scientist usually tests _____ variable(s) at a time.
1
In a study, a hand surgeon picked the younger, healthier patients to get an operation and left the older patients out of it, which could skew the results of whether the surgery is successful for all. This is an example of
Bias
Male peacocks have bright feathers to attract a mate. Which characteristic of life does this attribute support?
Living things reproduce
If the amount of light is increased during studying, then the students performance on test scores will increase. Hypothesis/Theory/Belief?
Hypothesis
True or false: Science explains how a phenomena happens in the natural world
TRUE
Something organisms body's do to maintain relatively stable internal conditions
Homeostasis
The genetic material that organisms inherit from their parents is called
DNA (genes)
What type of reproduction produces genetically identical offspring?
Asexual
Every organism on our planet shares a universal ________ .
Genetic Code
A particular preference or leaning is referred to as a (hint: to be avoided in science)
Bias
During a particularly hard basketball practice, you begin to sweat. This balancing of internal conditions is referred to as:
Homeostasis
Many diseases are caused by the presence and actions of specific micro-organisms within the body of organisms - Hypothesis, theory, or belief?
Theory - Germ Theory of Disease
Plants use sunlight to create energy for life processes. Which feature of life does this fall under?
Living Things Use Matter and Energy
True/False: Science can be described as a list of never-changing facts.
False
A well tested explanation that explains many observations is a(n)
Scientific Theory
What do we call the universal measurement system for science that is based on multiples of the number 10?
Metric System (SI)
“Biology” can be defined as the study of
living and once living organisms
Why is the metric system used in science?
To reduce error in measurements (increase precision and accuracy)
True or false: Scientists give explanations based on beliefs, not evidence
FALSE
You run an experiment and reject your hypothesis. Were your efforts a waste of time?
No. It still adds to your knowledge of how the world works
Based on your observation, you suggest: if you study for a test, then your grade will improve . This is an example of a
Hypothesis
After the first test, Mr. Bragg examines the grades to find that he had: 10 A’s, 6 B’s, 7 C’s, 2 D’s, and 0 F’s. What part of the Scientific method is this?
Analyzing the Data
What is the smallest unit of life a biologist could study?
Cells