Asexual reproduction in animals

• Some species of invertebrate animals are able to reproduce asexually by fission, fragmentation, budding or parthenogenesis.
• Some protists such as Amoeba reproduce by fission whereas sponges and some echinoderms reproduce by fragmentation.
• In some insects such as bees, reproduction is by parthenogenesis.
• Hydra is a small animal, 5-10 mm long, which lives in ponds attached to pondweed.
• Hydra has an asexual method of reproduction called budding.
• Hydra can also reproduce sexually by gametes.