Ticks feed on cows,cow birds pick off ticks from the backs of cows.Thus,the birds benefit the cow by removing harmful bugs,and the cow provides a food source location for the bird.The relationship between the ticks and the cow is ________,and that between the cow and the bird is ________.
A)symbiotic parasitic
B)parasitic symbiotic
C)symbiotic mutualistic
D)mutualistic symbiotic
E)parasitic mutualistic

Question

Quizplus · Accepted Answer

The relationship between ticks and cows is parasitic because ticks feed on the cows' blood, harming them. The relationship between cows and cow birds is mutualistic because both species benefit: the birds get food, and the cows get pest control.

Ticks Feed on Cows,cow Birds Pick Off Ticks from the Backs