Showing the differences between the M-16 and AR-15 Bolt Carriers, What makes a Mil-Spec BCG and dis-assembly of the BCG,AB Arms Nickel Boron Coated Bolts: http://www.abarms.com/. Windham Weaponry: http://www.windhamweaponry.com/.Thanks for watching~ Sootch00.Music: orchestra-action-short Pond 5.howing the differences between the M-16 and AR-15 Bolt Carriers, What makes a Mil-Spec BCG and dis-assembly of the BCG, AB Arms Nickel Boron Coated Bolts: http://www.abarms.com/. Windham Weaponry: http://www.windhamweaponry.com/. Thanks for watching~ Sootch00. Music: orchestra-action-short Pond 5.
White abalone reproduce by releasing their eggs and sperm into the surrounding water, known as broadcast spawning. If fertilized, the eggs hatch after only one day, but high concentrations of sperm are required in order for an egg to be fertilized.
Some sponges have sexes, but most are hermaphrodites, or are sexless. A sponge can reproduce asexually through budding. However, most  sponges reproduce sexually by releasing sperm cells into the water  to fertilize ova.ponges are reproduced asexually by process of budding, which have great power of regeneration and sexually sponges are produced by gametes formation method.