18. When two or more population use a limited supply of resources,
organisms.
A. Commensalism
B.Mutualism
C. Parasitisin
D. Predation
19. The relationship exists between soil bacteria rhizobia and legumes like peanut and bean plants is
in predation
This is an ecological relationship where both organisms are benefited
20. The shark is called the
and the small fishes eaten by the shark are the
relationship.
A Commensal-host
B.Parasite-host
C. predator-prey
D. parasite-prey
baka Naman Po hahah​