THE FLIPPERS OF A WHALE AND THE FINS OF A FISH ARE EXAMPLES OF
A. divergent evolution B. co-evolution C. continuous variation D. convergent evolution ✓ The answer to the question is: D. convergent evolution The flippers of a whale and the fins of a fish are examples of convergent evolution. Convergent evolution refers to the process by…
FISH AS AN EFFICIENT PLANKTON CONVERTER
Fish are considered efficient converters of plankton into flesh because they have a unique digestive system and metabolism that enables them to efficiently extract nutrients from their food. Plankton is the primary food source for most fish, and it is…
MOVEMENTS IN FISH
Swimming movements Each side of the vertebral column (flexible backbone) of a fish is made of muscle blocks or myotomes. The muscle blocks are arranged in a zig-zag fashion from head to tail. Each muscle block starts from the transverse…
PROCESSING AND PRESERVATION OF FISH
Harvested fish is either consumed, sold or preserved for future use. Fish processing involves the removal of scales, fins, gut and gills. The remaining part is then cooked or fried for eating. By-products of fish processing include: fish meal. fish…
FEATURES OF A STANDARD FISH POND
The essential features of a standard fish pond include: Dam. Core trench. Distribution channel. Spill way. Monk. Boards. Screen. Dam slope (inner and outer). Dam: This is the large area of the pond that holds water. It ensures the availability…
AQUACULTURE
Aquaculture is the act of rearing selected species of fish, shrimbs , crabs, etc under scientifically-controlled conditions in enclosed bodies of water such as ponds, streams and rivers where they feed, grow, breed and are harvested for consumption or for…
FISHERIES
All the activities relating to the production of fish and other aquatic animals known as fisheries. Fishes are cold-blooded animals, that is their body temperature changes according to that of their surroundings in which they live. They breathe with the…
Study Guide
