5 Questions
What is the approximate number of living fish species in the world?
28,000
What is the main factor that determines a fish's ability to thrive in its environment?
Its life design and body form
What is the purpose of a fish's swim bladder?
To maintain its neutral buoyancy
Why are fish able to thrive in environments with low oxygen levels?
Because they have a unique respiratory system that allows them to extract oxygen from water
What is the name of the sensory system that allows fish to detect water currents and vibrations?
Lateral-line system
Explore the historical classification of aquatic animals, including fish, jellyfish, starfish, and more. Learn about the evolution of biological classification systems and how biologists distinguish between different water-dwelling creatures.
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