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Nare 110: Invertebrate Biology And Natural Resources  Question Paper

Nare 110: Invertebrate Biology And Natural Resources  

Course:Bachelor Of Science In Natural Resources Mangement

Institution: Egerton University question papers

Exam Year:2013



SECTION A: ANSWER ALL QUESTIONS

1.Define the following body features of invertebrates. (6 Marks)
a. Pseudo coelomate
b. Coelomate
c. Acoelomate

2. Briefly describe the types of body symmetry exhibited by invertebrates. (6 Marks)

3. Outline the different types of reproductive strategies in invertebrates. (6 Marks)

4. List five key characteristics of flatworms. (5 Marks)

5. State five classes of Echinoderms. (5 Marks)

6. Differentiate between open and closed circulatory systems. (2 Marks)

SECTION B: ANSWER TWO QUESTIONS ONLY

7. Discuss the feeding, locomotion and reproduction features of the phylum Nematoda (roundworms) (15 Marks)

8. The class insecta is the largest and most successful group of Arthropods. Discuss this statement. (15 Marks)

9. Discuss the social organisation of order Isoptera. (15 Marks)






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