Agamogenesis is the type of reproduction which does not involve the fusion of gametes. This type of reprod uc tion is the primary form of reproduction for single-celled organisms like archarea, bacteria and protists.Plant and fungi also show asexual reproduction. Asexual reproduction involves only one parent. 2  All the off s pring are identical to the parent. 3  Asexual reproduction does not involve the process of meiosis and fertilization, hence the process does not require a mate for reproduction. 4  This type of reproduction is seen in lower forms of organisms.
Faint/Collapse. Fainting is a temporary loss of consciousness that happens when the brain does not receive enough oxygen. It comes on suddenly, only lasts for a short time and you recover fully within a short time. It is also often called a blackout. The medical term is syncope. It isn't the same thing as a seizure which usually causes jerking.
jelly_beans: What are the causes of syncope and how common is it? Dr__Manikum_Moodley: Syncope has numerous causes; but in children, the most common cause is a simple faint, which is also called 'vasovagal syncope,' 'vasodepressive syncope,' or 'neurocardiogenic syncope.' Other causes of syncope include: cardiovascular mediated syncope, situational syncope, drug-induced syncope, reflex syncope (similar to vasovagal syncope), psychogenic syncope and â rarely -- syncope due to metabolic disorders.