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(a) What is the basic difference between...

(a) What is the basic difference between asexual reproduction and sexaul reproduction ?
(b) Which of the following organisms reproduce by sexual method and which by asexual method ? Amoeba, Cats, Humans, Hydra, Birds

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### Step-by-Step Solution: **(a) Basic Difference between Asexual and Sexual Reproduction:** 1. **Definition of Asexual Reproduction:** - Asexual reproduction involves only one parent. The offspring produced are genetically identical to the parent, meaning there is no genetic variation. 2. **Definition of Sexual Reproduction:** - Sexual reproduction involves two parents (male and female). The offspring produced have genetic contributions from both parents, leading to genetic variation. 3. **Key Characteristics:** - **Asexual Reproduction:** - Uniparental (one parent). - Offspring are clones of the parent. - Less genetic variation. - **Sexual Reproduction:** - Biparental (two parents). - Offspring have a mix of genetic traits from both parents. - More genetic variation due to the fusion of gametes (sperm and egg). 4. **Formation of Zygote:** - In sexual reproduction, the fusion of male and female gametes results in the formation of a zygote, which eventually develops into a new organism. **(b) Classification of Organisms by Reproductive Method:** 1. **Amoeba:** - Reproduces by asexual reproduction (binary fission). 2. **Cats:** - Reproduce by sexual reproduction. 3. **Humans:** - Reproduce by sexual reproduction. 4. **Hydra:** - Reproduces by asexual reproduction (budding). 5. **Birds:** - Reproduce by sexual reproduction. ### Summary of Reproductive Methods: - **Asexual Reproduction:** Amoeba, Hydra - **Sexual Reproduction:** Cats, Humans, Birds ---
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