00:01
When it comes to looking at the specific advantages and disadvantages between external fertilization and internal fertilization, firstly, looking at external fertilization, some of the advantages are that it promotes genetic diversity or variation.
00:16
Hence, there's a lot of eggs and there's a lot of sperm.
00:19
So there's a greater chance for more diversity or variation in the offspring.
00:23
Some of the disadvantages actually is that some gametes will remain unfertilized because of the randomness.
00:30
So therefore, some beneficial traits could be lost if they're unfertilized and do not produce an offspring.
00:38
Looking at internal fertilization, the advantages are increased chance of fertilization.
00:44
Obviously, if it's a pair and it's more specific between a male and a female mating, there's a greater chance...