Reproduction allows a species to continue to exist generation upon generation.
Asexual and sexual reproduction are the two types of reproduction in organisms.
Asexual reproduction does not include gamete fusion. Instead, it is prominent in creatures with a basic organisational structure, such as fungus, algae, and invertebrates. Asexual reproduction produces identical offspring, which are known as clones. Zoospores, conidia, and other asexual forms are the most prevalent in algae and fungi. The most common asexual processes observed in animals are budding and gemmule formation.
Asexual reproduction occurs in prokaryotes and unicellular organisms by cell division or binary fission of the parent cell. Many land and water angiosperms use the technique of asexual reproduction known as vegetative propagation.
The synthesis and fusion of gametes take place in sexual reproduction. As opposed to asexual reproduction, it is more complicated and long. Nevertheless, the majority of higher animals reproduce nearly completely through sexual reproduction. Sexual reproduction processes may be divided into three categories: pre-fertilisation, fertilisation, and post-fertilisation. Gametogenesis and gamete transfer are pre-fertilisation events, whereas zygote creation and embryogenesis are post-fertilisation activities. Below are the exercises and Ncert solutions for class 12 Biology chapter 1 for students to understand the chapter thoroughly