What are the advantages and disadvantages of internal fertilisation?

Answer 1

It limits the amount of offspring being able to be produced at any one time.

For example, humans cant walk around with 500 babies in their womb.

Another example is that if the species has a threatening disease it is more likely to be spread via internal reproduction than external reprodution

Answer 2

Advantages of internal fertilisation include increased protection of gametes from external threats, enhanced control over mating opportunities, and the potential for parental care of offspring. Disadvantages may include increased energy expenditure for mating behaviors, competition for mating partners, and the risk of sexually transmitted infections.

Answer 3

the chance of the gametes (egg and sperm) meeting are greater so the chance of fertilization is increased.

Answer 4

The advantages of internal fertilization is that it protects the offspring and gives it a food source. Disadvantages would be that it takes a long time.