Concept explainers
To fill:
The name of the process by which male and female fishes release their gametes near each other in the water.
Introduction:
Fishes live in aquatic habitats like lakes, seas, rivers, ponds, etc. Some fishes live in complete darkness at the bottom of the deep ocean, whereas others live in the freezing water of the Polar Regions and have special proteins in their blood to keep the blood from freezing. There are about 24,600 species of living fishes are found.
Answer to Problem 1A
The process by which male and female fishes release their gametes near each other in the water is called spawning.
Explanation of Solution
Most fish reproduce by external fertilization. Male and female fish release their gametes in the water near each other in a process called spawning. Developing embryos get nutrients from food preserved in egg yolk. Some fish reproduce by internal fertilization. While fertilization takes place internally, the development of embryos of some species of fish occur outside the female body when fertilized eggs are laid.
The process by which male and female fishes release their gametes near each other in the water is called spawning.
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