Giant kelp has a two-phase life cycle. Fronds (sporophylls) at the base of the kelp produce spores that develop into tiny creeping filaments. The filaments produce eggs and sperm, which combine to produce embryonic kelp plants.
The Polar Ice-caps are melting, rendering the Polar bears and the other Arctic animals homeless. Polar bears have ruled the Arctic for years, but now they& struggling to keep up as the region undergoes a dramatic transformation.