What are the seeds called and how do they function on a red mangrove?

Rhizophora mangle, the red mangrove, is distributed in estuarine ecosystems throughout the tropics. Its viviparous "seeds".

Explanation:

in actuality called propagules, become fully mature plants before dropping off the parent tree. These are dispersed by water until eventually embedding in the shallows.

the answer is d.) homologous; have mammary glands