plants that live in water or very wet conditions.
a single cell resulting from the fusion of two gametes.
an infectious disease of the digestive system that is characterised by diarrhoeaandbloodinthe...
a structure made mostly of glass, in which temperature and humidity can be controlled for the...
the nervous system outside the brain and spinal column.
a serious and potentially fatal medical state caused by an allergic reaction, in which sufferers...
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