The difference which lies between coastal biomes and all other biomes are that they dont have a climate due to they don't have changing temperatures
Option B and C
Explanation:
Coastal biomes are the biomes which occur in transition of the other, that is coastal biome is a transition biome of terrestrial biome and aquatic biome. It has all the factors of a complete significant biome, such as abiotic factors as well as biotic factors.
The coastal biome do have biotic factor coexisting in terrestrial and aquatic biome such as reptiles. But it differs to not have a climate as the temperature do not keep changing much within the situation of coexistence of the climate complementing each other.