Question

Most animal that have external fertilization produce more eggs than animals that have internal fertilization. For example humans produce only one egg cell at a time. Fish produce thousands of eggs at a time. Suggest some reasons for this.​

Answer 1

Answer:

Many fish, amphibians, and other sexual aquatic animals use external fertilization (the exceptions are aquatic mammals, sharks, and some other special types of fish). External fertilization is beneficial because the mother does not have to physically carry the developing offspring.