The third metacarpal bone of a horse is called the a. cannon bone. b. sesamoid bone. c. splint bone. d. dewclaw.

When species lose their habitats they may..

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?