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Juvenile fish
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Fish go through various life stages between fertilization and adulthood. The life of fish start as spawned eggs which hatch into immotile larvae. These larval hatchlings are not yet capable of feeding
Fry no longer depend on a yolk-sac and can feed themselves
Fry no longer depend on a yolk-sac and can feed themselves
A fingerling has developed scales and working fins
A fingerling has developed scales and working fins
Salmon eggs. The growing larvae can be seen through the transparent egg envelope. The black spots are the eyes.
Salmon eggs. The growing larvae can be seen through the transparent egg envelope. The black spots are the eyes.
Salmon egg hatching into a sac fry. In a few days, the sac fry will absorb the yolk sac and become a salmon fry
Salmon egg hatching into a sac fry. In a few days, the sac fry will absorb the yolk sac and become a salmon fry
Motility
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Motility is the ability of an organism to move independently by using metabolic energy. This biological concept encompasses movement at various levels, from whole organisms to cells and subcellular co
Juvenile fish
…Fish go through various life stages between fertilization and adulthood. The life of fish start as spawned eggs which hatch into immotile larvae. These larval hatchlings are not yet capable of feeding themselves and carry a yolk sac which provides stored nutrition. Before the yolk sac…
Most sperm have a single flagellum to help them swim. The cervical, uterine, and fallopian linings of the female reproductive system play a more impor
Most sperm have a single flagellum to help them swim. The cervical, uterine, and fallopian linings of the female reproductive system play a more important role in transporting sperm to ova.
The shoots of plants move by growing towards light. This is known as positive phototropism. The roots grow away from light. This is known as negative
The shoots of plants move by growing towards light. This is known as positive phototropism. The roots grow away from light. This is known as negative phototropism.
Cell division. All cells can be considered motile for having the ability to divide into two new daughter cells.
Cell division. All cells can be considered motile for having the ability to divide into two new daughter cells.