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20 lut 2022 · Simply put, external fertilization is often the most effective way for the animal to reproduce in the aquatic environment. Not all aquatic animals reproduce externally. You can see examples in our guide to aquatic mammals .
16 lip 2019 · External fertilization in animals usually occurs in water or in damp areas in a process called spawning. Moisture in the environment keeps the gametes from drying out. Moisture is also important so the eggs and sperm can move around freely, which lets them meet and fuse.
In animals, external fertilization typically occurs in water or a moist area to facilitate the movement of sperm to the egg. [3] The release of eggs and sperm into the water is known as spawning. [4] In motile species, spawning females often travel to a suitable location to release their eggs.
1 sty 2022 · Fertilization may occur inside the body of a female (internal fertilization) or outside the internal milieu (external fertilization). Our focused area is external fertilization which usually ensues in water or a humid area to ease the travels of sperms to the egg.
31 paź 2023 · External fertilization in an aquatic environment protects the eggs from drying out. Broadcast spawning can result in a greater mixture of the genes within a group, leading to higher genetic diversity and a greater chance of species survival in a hostile environment.
Differentiate between internal and external fertilization and identify environmental and organismal traits associated with each type of fertilization; Explain why females are more likely than males to be “choosy” when selecting a mating partner
External fertilization in an aquatic environment protects the eggs from drying out. Broadcast spawning can result in a greater mixture of the genes within a group, leading to higher genetic diversity and a greater chance of species survival in a hostile environment.
