NEET BIOLOGY

Detailed explanation-1: -Almost all fungi reproduce asexually by producing spores. A fungal spore is a haploid cell produced by mitosis from a haploid parent cell. It is genetically identi ca l to the parent cell. Fungal spores can develop into new haploid individuals without being fertilized.

Detailed explanation-2: -Most fungi reproduce by forming spores that can survive extreme conditions such as cold and lack of water. Both sexual meiotic and asexual mitotic spores may be produced, depending on the species and conditions. Most fungi life cycles consist of both a diploid and a haploid stage.

Detailed explanation-3: -Spores allow fungi to expand their distribution and colonize new environments. They may be released from the parent thallus, either outside or within a special reproductive sac called a sporangium. Figure 24.1C.

Detailed explanation-4: -Following a period of intensive growth, fungi enter a reproductive phase by forming and releasing vast quantities of spores. Spores are usually single cells produced by fragmentation of the mycelium or within specialized structures (sporangia, gametangia, sporophores, etc.).

Detailed explanation-5: -Nearly all fungi form and release vast quantities of spores as part of their life cycle. Spores are the main reproductive units for fungi and are usually single cells. They may be produced either directly by asexual methods or indirectly by sexual reproduction.