- One of a clam's adaptations is how it reproduces. It reproduces by releasing sperm into the water. This is a good adaptation because it increases the fertilization rate.
- A clam's muscular foot. This is a good adaptation because it allows the clam to berry itself in the dirt and it allows the clam to make a quick escape from predators.
- A clam's siphons. This is a good adaptation because it allows the clam to eat and breath while it is berried in the dirt and silt.