Wiktionary (0.00 / 0 votes) Rate this definition: crease (Noun) A line or mark made by folding or doubling any pliable substance; hence, a similar mark, however produced. crease (Noun) One of the white lines drawn on the pitch to show different areas of play; especially the popping crease, but also the bowling crease and the return crease. crease (Noun)
Asexual reproduction in liverworts: a caducous phylloid germinating. Asexual reproduction is a mode of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes and almost never changes the number of chromosomes.ragmentation is a form of asexual reproduction where a new organism grows from a fragment of the parent. Each fragment develops into a mature, fully grown individual. Fragmentation is seen in many organisms such as animals (some annelid worms [Which ones?] , turbellarians and sea stars), fungi, and plants.
Sexual Reproduction is the process by which a new organism develops  from joining of a male sperm cell and a female egg cell.    Asexual Reproduction is the process by â¦ which a single organism  produces a new organism identical to itself.Sexual: involves 2  'people' Asexual: involves 1 'person' only.     Plants:   Asexual reproduction (also called vegetative reproduction in  plants) only involves one parent.  Asexual Reproduction is the process by â¦ which a single organism  produces a new organism identical to itself. Sexual: involves 2  'people' Asexual: involves 1 'person' only.