Introduction Flashcards
What is Biology?
The study of living things.
What is the Scientific Method?
A way of answering a scientific question or problem.
What are observations?
Data we collect using our senses.
What is a Qualitative observation?
information that uses descriptions.
What is a Quantitative observation?
information that uses numbers and measurements.
What is a Hypothesis?
A possible explanation to a scientific question or observations
What is an experiment?
An organized way to test a hypothesis.
What variable is changed deliberately by the experimentor?
independent
Which variable is the result (response) to what you are testing?
dependent
Which variable is used as a comparison, to prove your results are due to what you are testing?
control
Which variable never changes during the experiment?
constant
This was the theory that living things came from non-living matter. Like mice come from bags of grain or fish come from mud.
Spontaneous Generation
All living things are composed of these…the smallest unit of life.
cells
Living things, when it comes to cells, can be either _______ or _______.
unicellular, multicellular
This is the process of creating more living things.
reproduction
reproduction that involves only one parent cell.
asexual
reproduction that involves two parent cells
sexual
All living things will grow and develop, meaning they have a…
Life cycle
This is a collection of chemical reactions that either produce or use energy.
Metabolism
A tree changing colors, dogs shedding, you changing your wardrobe, bacteria moving away from light…
Response to stimuli
This is the process living things use to maintain a relatively stable internal environment
homeostasis
This is the theory that all living things change over time
evolution
This is a set of measurements, based on 10’s, that is standard in all areas of science
metric system
This is a device that produces a magnified image of an object that is too small to see with the unaided eye.
microscope