Some of the fishes are poikilothermic, which means that their body temperature changes with the ambient temperature. With this, in some cases, this refers the water around them. Poikilothermic fish control this by moving from colder water to warmer water. An example of this is when a fish moves to the bottom of a pond when the top of the pond is frozen over. Saltwater fish tend to lose water because of osmosis.
How do sharks do the job differently then other fish? All the sharks have developed internal fertilization as a mode of reproduction. They are born ready to evade predators and competitors, enhancing their chance of survival. Sharks have developed a wide range of reproductive adaptations, a characteristic which has allowed them to
How do sharks do the job differently then other fish? All the sharks have developed internal fertilization as a mode of reproduction. They are born ready to evade predators and competitors, enhancing their chance of survival. Sharks have developed a wide range of reproductive adaptations, a characteristic which has allowed them to