Uhmm they usually use internal and external at the same time..
internal
Internal
internal fertilization
Horses breed using a method called internal fertilization.
The grasshopper's method of fertilization is internal. They undergo both complete and incomplete metamorphosis.
Internal fertilization and external fertilization. Internal fertilisation means fertilize the egg inside the female's body. External fertilization is fertilize the egg after the female had lay it out. All mammals including platypus and spiny anteater do internal fertilization.
Internal fertilization and external fertilizationinternal means When the fusion of the male and female gamete occurs within the female genital tract it is called internal fertilization. This type of fertilization occurs in all terrestrial animals both oviparous and viviparous. Reptiles, Birds and mammals show internal fertilization external fertilizationThe fusiri of the gametes occurs outside the body of the animal and is common in aquatic animals. In bony fishes, frogs, echinoderms the sperms and ova are released into the water and their union occurs by Chromosome number of few chance. Since fertilization occurs outside the body of the animal externally, this method is called external fertilization.
External!External fertilization takes place in fishes. This means that the sperm cell of a male is linked together with the egg cell of a female in the external bodies of the individual fish.
Scientists often use observation to find out which animals use internal or external fertilization. If direct observation isn't possible, they may look to closely related species to make an educated guess about the lesser-understood species' fertilization method.
The processes of internal and external conversion differ by the method of energy loss. Internal conversion exploits the degrees of freedom within the molecule, whereas external conversion dissipates energy by collisions with other molecules.
Internal fertilization and external fertilizationinternal means When the fusion of the male and female gamete occurs within the female genital tract it is called internal fertilization. This type of fertilization occurs in all terrestrial animals both oviparous and viviparous. Reptiles, Birds and mammals show internal fertilization external fertilizationThe fusiri of the gametes occurs outside the body of the animal and is common in aquatic animals. In bony fishes, frogs, echinoderms the sperms and ova are released into the water and their union occurs by Chromosome number of few chance. Since fertilization occurs outside the body of the animal externally, this method is called external fertilization.
Please leave a list of animals that do each method of sexual reproduction such as autogamy, allogamy, conjugation, internal fertilization, meiosis, and external fertilization. Thank you :) -RifRaf5150