9 янв. 2020 г. · All terrestrial species use internal fertilization, but this is often by indirect transfer of the sperm via an appendage or the ground, ...

Aquatic arthropods may breed by external fertilization, as for example horseshoe crabs do, or by internal fertilization, where the ova remain in the female's ... Horseshoe crab · Anomalocaris · Springtail · Millipede

Fertilization among insects is always internal; there is much variation in the manner in which sperm are transferred to the female.

15 авг. 2017 г. · Arthropods can have internal or external fertilization, depending on the species. Aquatic arthropods may release gametes into the water column, ...

External fertilization occurs when this union occurs outside the bodies of the male and female, and internal fertilization occurs when the union occurs within ...

Most external fertilization happens during the process of spawning where one or several females release their eggs and the male(s) release sperm in the same ...

Aquatic arthropods may breed by external fertilization, as for example frogs do, or by internal fertilization, where the ova remain in the female's body and ... Etymology · Description · Reproduction and Development

External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. Sexual selection · Invertebrates · Vertebrates · Amphibians

22 нояб. 2024 г. · External fertilization is characterized by the release of both sperm and eggs into an external environment; sperm will fertilize the egg outside ... External Fertilization · Internal Fertilization