Q: Through what method or methods of fertilization do amphibians sexually reproduce?


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

Amphibians reproduce sexually with either external or internal fertilization. They may attract mates with calls or scents. They do not produce amniotic eggs, so they must reproduce in water. Their larvae go through metamorphosis to change into the adult form.

 Choices:

- asexual or sexual

- mitosis and meiosis

- spawning or budding

- external or internal


A:
external or internal