Q: In which way do vertebrates reproduce?


Read this paragraph and choose the correct option from the provided answers:

Vertebrates reproduce sexually, and almost all of them have separate male and female sexes. Generally, aquatic species have external fertilization, whereas terrestrial species have internal fertilization. Can you think of a reason why aquatic and terrestrial vertebrates differ in this way?.

 Choices:

- bisexually

- unisexually

- asexually

- sexually


A:
sexually