d. Sea Cucumber
Sea cucumbers are filter feeder. Sea cucumbers often find places that have strong currents to find food.
If you push a truck and push a car with the same force, the car will have more acceleration than the truck, because the car has less mass.
It is easier to push an empty shopping cart than a full one, because the full shopping cart has more mass than the empty one.
Biological Control is the answer Definition: Is the use of natural enemies-predators, parasites, pathogens, and competitors— to control pests and their damage
It should be mandibular fossa :)