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There are three main categories of life cycles in multicellular organisms: diploid-dominant, in which the multicellular diploid stage is the most obvious life stage (and there is no multicellular haploid stage), as with most animals including humans; haploid-dominant, in which the multicellular haploid stage is the …
Explanation: A single cell dividing by mitosis is an example of asexual reproduction–you now have two identical daughter cells (usually thought of as diploid 2n) from one single mother cell.
The four stages of the life cycle of an animal are birth, growth, reproduction and death.
Asexual reproduction includes fission, budding, fragmentation, and parthenogenesis, while sexual reproduction is achieved through the combination of reproductive cells from two individuals.
Meiosis does not occur during asexual reproduction. Meiosis is the process of producing gametes (eggs and sperm). Mitosis, on the other hand, is simply the process of cell division. This is the process that animals are going through during regeneration.
Where do the babies come from? In sharks, asexual reproduction usually happens via a process called “automictic parthenogenesis,” explained Feldheim. During egg development, one egg is produced along with three other products called polar bodies. Usually these polar bodies are simply reabsorbed by the female.
Birds reproduce sexually. That means that a male bird and a female bird must be involved. The male bird has sperm. The female bird has eggs.
Chickens reproduce via sexual reproduction: a rooster mates with a hen, who then lays a fertilized egg.
Different snails reproduce differently, but most snails are “hermaphrodites.” Being a hermaphrodite means that any given snail can be both male and female at the same time. … Some hermaphrodite snails do not need another snail to reproduce, but can make more snails all by themselves (this is called asexual reproduction).
The examples of the asexual methods are binary fission (e.g. Amoeba, bacteria), budding (e.g. Hydra), fragmentation (e.g. Planaria), spore formation (e.g. ferns) and vegetative propagation (e.g. Onion).
The advantages of asexual reproduction include: the population can increase rapidly when the conditions are favourable. it is more time and energy efficient as you don’t need a mate. it is faster than sexual reproduction.
List of Advantages of Asexual Reproduction
Asexual reproduction includes fission, budding, fragmentation, and parthenogenesis, while sexual reproduction is achieved through the combination of reproductive cells from two individuals.