, ANS2601 Assignment 2 (COMPLETE ANSWERS)
Semester 1 2025 - DUE 11 April 2025; 100% correct
solutions and explanations.
Question 1 [33]
1.1 Provide the complete taxonomy of the Mozambique tilapia. (14)
1.2 What sense organs are used by sharks for the detection of prey? (8)
1.3 What two characteristic distinguishes the skeletons of cartilaginous fish from
other vertebrates? (2)
1.4 Name the organ/s associated with maintaining buoyancy in bony fish. (4)
1.5 Describe a heterocercal tail. (3)
1.6 Approximately, what percentage of sharks’ diet contains bony fish? (2)
1.1 Provide the complete taxonomy of the Mozambique tilapia. (14)
The Mozambique tilapia (Oreochromis mossambicus) is a freshwater
fish species belonging to the Cichlidae family. It is native to southern
Africa, particularly Mozambique, South Africa, and surrounding
regions, but has been introduced worldwide for aquaculture and
fisheries. Below is a detailed explanation of its taxonomy:
1. Domain: Eukaryota
The Mozambique tilapia belongs to the domain Eukaryota,
meaning its cells have a nucleus and membrane-bound organelles.
2. Kingdom: Animalia
It is part of the Animalia kingdom, which includes multicellular
organisms that are heterotrophic (consume organic material for
energy).
Semester 1 2025 - DUE 11 April 2025; 100% correct
solutions and explanations.
Question 1 [33]
1.1 Provide the complete taxonomy of the Mozambique tilapia. (14)
1.2 What sense organs are used by sharks for the detection of prey? (8)
1.3 What two characteristic distinguishes the skeletons of cartilaginous fish from
other vertebrates? (2)
1.4 Name the organ/s associated with maintaining buoyancy in bony fish. (4)
1.5 Describe a heterocercal tail. (3)
1.6 Approximately, what percentage of sharks’ diet contains bony fish? (2)
1.1 Provide the complete taxonomy of the Mozambique tilapia. (14)
The Mozambique tilapia (Oreochromis mossambicus) is a freshwater
fish species belonging to the Cichlidae family. It is native to southern
Africa, particularly Mozambique, South Africa, and surrounding
regions, but has been introduced worldwide for aquaculture and
fisheries. Below is a detailed explanation of its taxonomy:
1. Domain: Eukaryota
The Mozambique tilapia belongs to the domain Eukaryota,
meaning its cells have a nucleus and membrane-bound organelles.
2. Kingdom: Animalia
It is part of the Animalia kingdom, which includes multicellular
organisms that are heterotrophic (consume organic material for
energy).
