Examlex
In animals, the egg and sperm cells are:
Sign Stimulus
An external sensory cue that triggers a fixed action pattern in an organism, an innate response to a specific stimulus.
Dutch Ethologist
A Dutch ethologist is a scientist from the Netherlands who studies animal behavior through observational and experimental methods.
Habituation
A type of learning in which an animal becomes accustomed to a repeated, irrelevant stimulus and no longer responds to it.
Physiologically Ready
A state in which an organism or part of an organism is prepared for a specific physiological process or activity.
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