The answer to this question is D
.
Because nowadays, many horses are domesticated, and food they would have eaten in the wild, they don't usually eat anymore. They have learnt to adapt to eating other foods, like hay, that require molars to ingest. This is why over time, their tooth structure has changed.
It might be reccesive and dominant or heterozygous and homozygous either one
Answer: coral reefs act as a filtering system .
Explanation:
