A pal of mine was telling me how heâd had some problems with his Sony PSP and that as a result of a particularly bad moment to have his battery die, it was now âbrickedâ. What does that mean? The short answer is that it has become âas useful as a brickâ. Not good. Not good at all. Basically this kind of thing can happen to any consumer electronics, from a TV to a DVD player to an mp3 player or video game unit.
A sporophyte is a plant or alga in its diploid multicellular stage of life that produces spores. Each sporophyte has a double set of chromosomes, one from its haploid egg cell and another from its... A sporophyte is a plant or alga in its diploid multicellular stage of life that produces spores. Each sporophyte has a double set of chromosomes, one from its haploid egg cell and another from its...
Ferns are seedless vascular plants. Instead of seeds, they grow from spores. Spores grow into gametophytes, which in ferns are very tiny and short-lived. The gametophytes release sperm to fertilize eggs, and fertilization happens right on top of the gametophyte.