Examlex
Darwin referred to the evolutionary origin of angiosperms as an "abominable mystery," because they seem to appear suddenly in the fossil record.
ESP
Extrasensory perception, a claimed ability to gain information through means other than the known human senses.
Anecdotal Accounts
Personal stories or observations used as evidence, which may not be scientifically validated.
Experiments
Scientific procedures undertaken to make a discovery, test a hypothesis, or demonstrate a known fact through controlled observation and manipulation of variables.
Physical Energy
The capacity to do work, which may manifest in various forms such as kinetic, potential, thermal, electrical, chemical, nuclear, or other forms of energy.
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Q92: A gametophyte that develops from a _