Definition:
les this is a regulation of the internal environment of an organism.

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

In which layer do organisms on earth love?