SZL 201 QUESTIONS Outline the various levels of organisms. Distinguish between True metazoans and Simple metazoans. Give two examples of phyla in simple metazoans. Name two phyla of invertebrates considered primarily as radiate. Name two phyla of each invertebrate that are acoelomate, pseudocoelomate and coelomate. Distinguish between the two categories of triploblastic coelomate animals. Identify 3 phyla of lower protostomes. Identify 3 phyla of higher protostomes. Compare sea and fresh water in terms of Life sustainability. Explain how euphatic organisms overcome most of the challenges. Explain how benthic organisms are adapted to living benthic life. Describe feeding in sessile aquatic animals. Explain how sessile aquatic animals counter the challenge of predation passively and actively. Describe reproduction in sessile aquatic organisms. Outline the adaptations of the larvae of sessile aquatic organisms. Outline challenges faced by the larvae. State possible solutions to the challenges. Describe a sexual reproduction in sessile aquatic organisms. Describe sexual reproduction in higher metazoans./ Describe the process of embryogenesis. Describe zygote cleavage. Describe the various types of eggs under cleavage. Distinguish between holoblastic and meroblastic cleavage. Outline two patterns of holoblastic cleavage., Give 3 difference between each of the patterns. Name the diagnostic features found in blastula stage of the embryo. Describe the two forms of gastrula. Describe the four types of symmetry in various organisms giving examples and illustrations where possible. Describe radial symmetry and it's advantage. Describe bilateral symmetry and it's advantage. What is meant by the term cephalization. Define a germinal layer. Outline five roles played by the coelom. Describe two types in coelom. Define metamerism and evidence showing it Describe metamerism in Platyhelminthes, Annelids and Insects. Define tagmatization/tagmosis. Outline five differences between protostomes and deuterostomes. PROTOZOANS Rhizopods Describe the importance of A.proteus. in cell biology studies
Describe test and it's importance in rhizopods. Describe the ecology of rhizopods. Describe reproduction in rhizopods. Describe the various types of pseudopodia in rhizopods. Foraminifera/Granuloreticulosa Describe test in forams Describe pseudopodium in forams Describe feeding in forams. Describe reproduction in forams.
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