Which example describes an abiotic factor interacting with a biotic factor? A. more light increases the water temperature
B. High water temperatures decrease oxygen consecration in the water
C. Tropical fish need warn water to survive
D. Small fish are food for larger fish

Which describes a difference between cephalopods and gastropods? cephalopods have a water vascular system, and gastropods have an open circulatory system. cephalopods live only in ocean environments, and gastropods live in a variety of environments. cephalopods have a simple nervous system, and gastropods have a complex nervous system. cephalopods are the largest group of mollusks, and gastropods are the smallest group of mollusks.