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Marine Vertebrates Test Review
From your Introduction to Marine Vertebrates worksheet, answer the following questions:
1. What is the common name for the Class Osteichthyes? Bony fish
2. Name two organisms that belong to Class Osteichthyes. Perch Tilapia
3. What is the common name for the Class Chondrichthyes? Cartilaginous fish
4. Name two organisms that belong to Class Chondrichthyes. Sharks and rays
5. If reptiles are ectothermic, what does that mean? They are cold-blooded
6. What can fish do since they are slightly endothermic? They can regulate their own body temperature.
From your Introduction to Marine Reptiles, Birds, and Mammals search and find notes, answer the following questions:
1. What is the function of the cloaca in reptiles? It is a holding tank for wastes so that water can be re-absorbed.
2. Name 4 adaptations that marine birds have. Ability to remove excess salt by sneezing; preening glands which help to waterproof feathers; long legs to help with wading; webbed feet to assist with swimming
3. Name three organisms that make up the Class Pinniped. Seals, walruses, sea lions, fur seals
4. Name the two organisms that belong to Class Sirenia. Dugongs and manatees.
5. How are whales classified? By their teeth
From your Class Osteichthyes: Bony Fish worksheet, answer the following questions:
1. What is the purpose of the mucus covering a bony fish’s body? To act s a barrier to infection and to help swim better in water.
2. What is the main purpose of a swim bladder? To regulate the bony fish’s buoyancy
From the Perch Dissection Lab, answer the following questions and label the diagrams.
1. List the purpose for the following fine types:
Anal Works with dorsal fin to prevent fish from rolling from side to side
Caudal To propel fish through water
Dorsal Works with anall fin to prevent fish from rolling from side to side
Pectoral Works with pelvic fin to move the fish in different directions
Pelvic Works with pectoral fin to move the fish in different directions
2. Label the fins on the following diagram:
3. What type of circulatory system do perch have? Closed circulatory system.
4. Which organ is protected by the operculum? The gills
5. What is the purpose of the lateral line on the perch? It helps the fish sense changes in pressure around it
6. List the order of body parts that food travels through as it enters the digestive system of the perch. Teeth, mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus
7. Identify each labeled organ:
1. Gills
2. Heart
3. Liver
4. Pyloric cacea
5. small intestine
6. Stomach
7. Swim bladder
From the Shark Dissection Lab, answer the following questions and label the diagrams.
1. Name the function for each of the following shark body parts:
Ampullae of Lorenzini tiny pores in the face for picking up electric fields in the water to help guide the shark and locate prey at minimal distances.
Spiracle modified gill slit for water intake to mouth and gills
Claspers if specimen is a male, these fingerlike extensions of the pelvic fin will be used to transfer sperm to the female during mating.
Liver Large organ which cleanse blood and stores bile and also aids in buoyancy
Lateral Line sensory cells that pick up vibration in water
2. Based on the pictures below, which shark is female and which one is male? F=A, M=B
Shark A Shark B
3. Identify each labeled organ:
From your Bony Fish and Shark Comparison Activity, answer the following questions:
1. What organ in the shark performs the same function as that of the swim bladder in bony fish? The liver
2. Fill in the following table: