Question

Assignment 3 (Fungi and Animal Diversity) Please answer the following questions: Q.1. Describe different stages of sexual reproduction in fungi? Q.2. Write a paragraph on the economic importance of Fungi? Q.3. Differentiate the following: a) Sporangium and Conidium b) Basidiocarp and Ascocarp c) Zoospores and Ascospores d) Mycelium and Mycorrhizae Q.4. Describe the major characteristics that all animals share? Q.5. Give a brief description of the following pairs of terms: a). Diploblastic vs. Triploblastic b). Choanocyte vs. Choanoflagellate c). Protist vs. Animal d). Acoelomate vs. Pseudocoelomate 0.6. What are the characteristic features of the following taxa? a). Cestoda b). Nematoda c). Rotifera d). Platyhelminthes Q.7. Describe the traits which define Phylum Chordata? Q.8. List four observable characteristics of each type of vertebrate a) Chondrichthyes b). Amphibians c). Reptiles d). Mammals Q.9. In what ways amphibians and reptiles have adapted to live on land? In your opinion which of these animal groups is better adapted to live on land? Q.10. Describe the evolutionary history of human starting with the ancestral primates about 55 million years ago?

Answer 1

1. Different stages of Sexual vieproduction in fungi Fungal sexual vrebaoduction consists of three Stages Plasmogamy Karyo gamy Meiosis Plasmogany then resulting The The fusion of two protoplasts cell has two nuclei nuclear baie (di kacyon) do not need to fuse immediately but it can persist in dikaryotic state. The fusion of two haploid nuclei called Karyo gamy OCCWH anly often formation of fruiting body to give diploid nucleus of zygote. this 9 After Kaup gamy

meiosis, the vieduction division of the to haploid number takes Chromosome the blace. that take blace So three stages in sequential Rlasmogamy, 07 non – osequential manner are Karyogamy meiosis.