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- Insect body dorsoventrally flattened, head with chewing mouthparts directed downwards and fore wings when present is coriaceous than the hind wing, which is usually membranous: O a. Dermaptera O b. Othoptera C. Blattodea Od. Mantodea1. Indicate the Phylum, Class, Order, Family, Genus and the species name of any one grasshopperof agricultural importance. 2. What is the difference between a swarm and a hopper band? 3. What is the evolutionary significance of parthenogenesis in the Class Insecta? 4. What is the scientific name of the locust causing havoc currently in the horn of Africa? 5. How does paurometabolous metamorphosis differ from hemimetabolous metamorphosis?1. State the function of the following parts of the genus Romalea (grasshopper): antenna, tympanum, spiracles, ovipositor (female), gastric caeca, malphigian tubules, tracheae, air sacs What are the hairlike appendages called that anchor into the skin of annelids? What structures do earthworms have to help dispose of nitrogenous wastes? Briefly describe how earthworms reproduce and what structures are involved.
- 7. The embryos, oncospheres of taenia saginata are releasedin thea. Liver of cattleb. Liver of manc. Intestine of a cattled. Digestive tract of a man 8. Sponges showa. Protoplasmic level of organizationb. Cellular level of organizationc. Tissue level of organizationd. None of these 9. Scolex is a characteristic ofa. Trematodab. Annelidac. Cestoded. TurbellariaElaborate and explain thoroughy: How does modification of the insect legs/limbs better equip the insect to survive in a given environment? b) Describe and identify on which segment of the legs/limbs would you expect the ambulatorial, fossorial,grasping, natatorial and raptorial type of legs/limbs be located?luishing Characteristics of Invertebrates 1. Read the following riddles about the common invertebrates found in your locality. 2. Complete the table with the needed details. Riddle Animal Classification Description 1. It lives in the ocean. It likes to eat crabs. Its eight legs are called tentacles. 2. It is unsegmented body. It has a tail and a head end. It commonly lives humans. 3. It lives in the sea but itis not a fish. It has five arms covered with spiny skin on top. 4. It can be found in the branches of trees and in the house. It spins silk a flatworm with long on which can be used for capturing its prey. 5. It is a round worm which lives in the small intestine of humans. It can cause intestinal disease. 6. It does not bite nor sting. It has compound eyes. diseases. It can spread 7. It has an elongated body with one pair of legs per body It can inflict pain by segment. injecting its venom. 8. It burrows underground through the soil and brings subsoil closer to the surface. It…
- Which body region of an insect bears the walking legs? a. head b. carapace c. abdomen d. thorax e. trunkIn your own perspective, what is the significance of knowing the type of metamorphosisof insect? Provide 2 scenarios where you utilize this information.1. Compare and contrast an Acanthocephalan and a Rotifer by providing 5 points of comparison. Point of comparison Rotifer Acanthocephalan 1. 2. 3. 4. 5. 2. What structures are found in Acanthocephalans which allows them to perform its endoparasitic life? Explain
- 1.With reference to the thorax only, how do insects differ from other organisms. 2.what is polymorphism? 3.Write the three suborders of the order hemptera.I. Differentiate the following according to their general characteristics: a. Nematodes b. Cestodes c. TrematodesI. Identify and label the parts of the following specimens of Phylum Cnidaria:
