Birds and strawberries benefit each other. strawberries provide food for the birds; the birds provide a way for strawberries to widely disperse their seeds. this kind of animal/plant interdependence is known as commensalism mutualism parasitism dispersism

Acommon kind of mechanical weathering is called

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates