In December 2024
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Discuss the statement ‘‘Birds are a group of
dinosaurs called theropods which belong to
a lineage of diapsid reptiles’’
based on reproduction, symmetry,
respiration and circulation
nervous system,
digestion and excretion
Where is Gondwana Located
Instruction
✓Clear readable writing is recommended
✓The total number pages must be 6 or 7
✓submitted date 26-07-2021
#Q. Select three of the different phyla of invertbrates you learned and discuss in detail based on the following criteria.
√ Reproduction
√ symmetry
√ Respiration and Circulation
√ Nervous system
√ Digestion and excretion
Instruction
✓Clear readable writing is recommended
✓The total number pages must be 6 or 7
✓submitted date 26-07-2021
#Q. Select three of the different phyla of invertbrates you learned and discuss in detail based on the following criteria.
√ Reproduction
√ symmetry
√ Respiration and Circulation
√ Nervous system
√ Digestion and excretion
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.
Describe the life cycle of clonorchis sinensis using a labelled diagram
Discuss feeding in leeches
#340153 on Dec 2023