Question 5

which of the following describes a relationship of parasitism?

1) oxpecker birds eat parasitic ticks off the backs of zebras

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

3) a polar bear catches a seal for dinner

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

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.

Which of the following would be the best hypothesis for this experiment? a) use of the ginko biloba extract improves clinical outcomes when administered to patients with t2d. b) ginko biloba improves clinical outcomes of diabetes patients when combined with metformin. c) diabetes in patients is worsened when ginko biloba is taken in conjunction with metformin. d)the use of ginko biloba to treat t2d in combination with metformin lowers the cost of t2d treatment. ginko biloba shows benefits against t2d when combined with plant extracts as compared to other treatments.

What do you think scientists face when classifying new organisms?