Want this question answered?
109 on A+
Griffith's: He experimented with bacteria, which are prokaryotes.
From inventing stuff.
Galileo and Ptolemy
Scientists use observation and experimentation to gather information about the natural world.
Mendel
what do scientist do when new information become available in regrades to current scientific understanding
Scientists do research, publishing, and teaching, to contribute to their field.
Scientists get information from research, observations, experiments, and other scientists.
109 on A+
with tools
Griffith's: He experimented with bacteria, which are prokaryotes.
The evidence that Ottawa scientists collected in researching PCB concentrations in Alaska was that salmon were responsible for high levels of PCB. Salmon head to Alaska to spawn and the lakes with the most salmon have the highest levels of PCB.
James Watson
From inventing stuff.
The lack of scientific understanding by most non-scientists is appalling to most scientists.
Constant research