Abiotic

*Wind
*Water
*Temperature
*Sand
*Location
*Rocks
*shells- for protection against the elements

Biotic

Decrease

*Predators- evolve more efficiently at catching prey
*Sponges extinction (main food source)
*damage of plants and coral reefs include the
declines in all the species whose survival depends on healthy seagrass beds and coral reefs. That means that many marine species that humans harvest would be lost.