Asexual reproduction involves one parent and produces offspring that are genetically identical to each other and to the parent.
Sexual reproduction involves two parents and produces offspring that are genetically unique.
Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent.
Sexual reproduction produces offspring with novel combinations of genes. This can be an adaptive advantage in unstable or unpredictable environments.
Asexual reproduction is something so simple, called binary fission. It occurs in the simplest of cells known as the Prokaryotes. These include bacteria. Here, the parent cell simply divides 'in two' and forms two genetically identical daughter
Sexual reproduction the male gamete (sperm) may be placed inside the female's body for internal fertilization, or the sperm and eggs may be released into the environment for external fertilization