Species boundaries in plants can be weaker than in animals, and cross species hybrids tend to be probable. A well-recognized example is peppermint, Mentha × piperita, a sterile hybrid in between Mentha aquatica and spearmint, Mentha spicata.[one hundred fifteen] The many cultivated varieties of wheat are the results of numerous inter- and intra-di

Lots of species have skulls with more joints when compared to the skulls in their lizard ancestors. This allows the snakes to swallow prey much larger than their heads. In their slender bodies, snakes' paired organs (for example kidneys) look 1 before another rather than facet by side.A snake flicks its forked tongue out and picks up particles. The