Question

Do you recall any vertebrates with external reproductive organs on their dorsal surface? What advantages or

disadvantages would this provide?

Answer 1

NO, I do not recall any vertebrates with external reproductive organs on their dorsal surface.

Step-by-step explanation:

Usually the urogenital systems in vertebrate includes a combination of reproductive and excretory tissues. And it is a very common feature in vertebrates.

Disadvantages:

• Urine would flow over the body surface if the external reproductive organs on their dorsal surface.
• They are more prone to be damaged by the environment. as the ventral surface provides more protection.

Advantage:

• Higher coverage: Posterior placement provides this advantage due to back to back mating.