Which of the following scenarios is representative of parasitism?
a. tapeworms living in a mammal’s intestinal tract
b. remora fish attaching themselves to sharks
c. birds feeding on insects stirred up by grazing animals
d. birds eating scraps of food from a crocodile’s teeth

Building glycogen from glucose molecules is an example of what

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?