Which of the following describes a relationship of parasitism?

oxpecker birds eat parasitic ticks off the backs of zebras

a tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat

a polar bear catches a seal for dinner

birds feed off the insects that are stirred up from the grasses as cattle move through

Hi,

The correct answer option is B; A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat

Explanation:

In parasitism, one of the organism, the parasite lives in or on the other organism namely the host causing it harm and sometimes death.For example a tick that lives on dogs is a parasite.In this answer choice, the rat is the host whereas the tapeworm is the parasite.

Best of Luck!

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.