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Compare the dietary requirements of vitamin A and C in relation to the following headings in table format:
• RDA for a 36-year-old male
• UL for a 3-year-old girl
• Two examples of food sources
Explain the form in which end-products of protein digestion is excreted and describe how these products are formed.
In your assigned readings, you were introduced to the major animal phyla. Choose an animal which represents a particular phylum. Briefly describe its features characteristic of its phylum including morphology, embryology, and physiology. Identify adaptations of your animal compared with other animals. If you chose a more primitive animal, identify adaptations compared with more primitive organisms outside of the animal kingdom.
In your assigned readings, you learned about different theories for the evolution of eukaryotic cells from prokaryotic organisms. Describe the hypothesized steps for the evolution of eukaryotic cells via endosymbiosis. How is evidence used to support this theory? Explain your position.
2. Name and briefly describe the three subclasses of the Gastropoda and point out the role torsion and detorsion played in the evolutionary development of each.
3. Name three different species of Schistosoma and name the organ where each of them will be found in the human being.
4. Give an account of ecdysis in crustaceans and refer specifically to the role of external stimuli and hormones.
5.Write brief synoptic notes on web spinning and web spinning behavior in spiders.
Explain what is meant by each of the following terms:
1.1 Monophyletic group
1.2 Parthenogenesis
1.3 Metamerism
1.4 Epitoke
1.5 Peritonium
QUESTION 2
2.1 Define the concepts “encystment” and “excystment” and explain why the phenomena have advantages for protozoa.
2.2 Give a detailed description of the different kinds of pseudopodia encountered in protozoa.
QUESTION 3
3.1 What do you understand by the concept “biradial symmetry” and why do sea anemones display this type of symmetry?
3.2 Write brief notes on each of the following aspects of earthworms: a. Chloragogen tissue
b. Circulatory system
3.3 Discuss feeding in leeches.
and state 20 different careers and their job description.
Describe the life cycle of clonorchis sinensis using a labelled diagram
