#Question id: 8288
#Unit 9. Diversity of Life Forms
Some beetles and flies have antler-like structures on their heads, much like male deer. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of ________.
#Question id: 11677
#Unit 7. System Physiology – Animal
Which of the following contribute to maintaining the
high osmolarity of the renal medulla?
I) active transport of salt from the upper region of
the ascending limb
II) the spatial arrangement of juxtamedullary nephrons
III) diffusion of urea from the collecting duct
IV) diffusion of salt from the descending limb of the loop of Henle
#Question id: 26986
#Unit 10. Ecological Principles
#Question id: 12165
#Unit 8. Inheritance Biology
#Question id: 14693
#Unit 13. Methods in Biology