Crocodile's 'virgin birth' is a first for science's history books
Plants reproduce in a similar way, including splitting, budding and fragmenting.However, this produces lots of organisms that are genetically identical, and a lack of genetic variation means that individuals cannot adapt to changing conditions.If the environment is bad for one member of a species, it is bad for all, and could lead to extinction.Sexual reproduction in species such as humans needs sperm to fertilise eggs and create an embryo.
Source: devdiscourse.com