Question
Download Solution PDFWhich of the following animal reproduce both, sexually as well as asexually?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Hydra.
Key Points
- Hydras are multicellular organisms that inhabit fresh water.
- They are members of the phylum Cnidaria and possess radial symmetry.
- They are categorised as being diploblastic.
- Tentacles with cnidocytes encircle the mouth.
- Within these cnidocytes are nematocysts, or stinging capsules.
- They both engage in sexual reproduction and asexual reproduction.
- The asexual reproductive mechanism takes the form of budding.
- Hydra can regenerate quickly.
Additional Information
- Reproduction is the biological process by which a new form of life is produced from pre-existing similar life.
- Reproduction helps in the continuation of the species.
- There are two main modes of reproduction - Asexual and Sexual Reproduction.
- Asexual reproduction:
- Asexual reproduction does not involve the fusion of gametes.
- The progeny formed through asexual reproduction are genetically identical to their parents.
- Fragmentation, budding, binary fission, gemmule formation, etc. are some of the methods of asexual reproduction.
- Hydra, yeast, and sea stars all reproduce asexually.
- Sexual reproduction:
- Sexual reproduction involves the fusion of male and female gametes (haploid) to form the zygote (diploid).
- Sexual reproduction involves two major events - Meiosis and the Fusion of gametes.
- The progeny formed through sexual reproduction are genetically dissimilar.
- Mammals, amphibians, angiosperms, etc. show sexual reproduction.
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