Intro to Bio Flashcards
Which adjustment knob on the microscope is used when
trying to focus on low power?
coarse
Which of the following has more OH than H+?
base
Which of these are a characteristic of living things?
All of the above. (Respond to stimuli, made of cell(s), reproduce, have a metabolism)
Which part of the microscope controls the amount of light?
diaphragm
In case of an emergency, science classes meet where?
the football/softball field
Which part of the microscope supports the slide?
stage
When graphing in EHS Biology classes, you should always
use at least:
70% of the graph
Why are cells small?
Their surface area to volume ratio decreases
A variable that cannot exist without another variable is a:
dependent variable
What organisms are Prokaryotes?
Bacteria
What is formed only when a hypothesis is verified
over many years, by many scientists with the exact same results?
theory
Which of the following is NOT needed on a microscope
drawing?
scale
What organisms are Eukaryotes?
All of the above (animals, plants, algae, fungi)
Data that are organized, analyzed, and displayed in graphs or charts are called:
results
The study of all living things including plants, animals, fungi, and bacteria is called:
biology
Horses, kittens, bees, E. coli, and hyenas are all examples of
organisms
All graphs must have all of the following except:
All of the above are needed (scale, title, units, labels)
In a controlled experiment, the group that keeps “normal”
conditions is called the:
control group
A controlled experiment should have at least how many
groups?
2
In science, a theory is
supported by:
evidence
This graph represents
a frog population in a mountain
C00s) stem as a result of temperature. The “temperature” label belongs on which axis?
x-axis
The similarities between the groups in it controlled experiment are called:
control variables
In the scientific method, the _______ is the scientist is trying to answer and the __________
problem, hypothesis
When in the scientific method do you explain whether the experiment supports or rejects the hypothesis?
conclusion