the hard 'roof' of the front of the mouth.
the space that exists between the two layers of the pleura.
living on land.
a United Nations treaty that was drawn up during a meeting of countries in Japan in 1997. It...
(also called autotrophic organisms) organisms that produce their own organic food, mainly...
the gamete-producing phase that produces the zygote from which the sporophyte emerges.
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