Mark turned quickly, pivoting on his right foot, while he was playing basketball. he felt a sudden, sharp pain in his knee and found his leg would not support him well. when he tried to walk off the court, his knee wobbled sideways. based on this evidence, which of the following has he most likely injured? a) he has broken the femur and it can no longer maintain proper muscle tension to support his weight b) he has injured the quadriceps muscle that is responsible for moving his leg up and down as he walks or runs. c) he has injured one of the tendons or ligaments that keep his knee in place, connecting it to the surrounding muscle and bone. d) he has torn the cartilage that cushions the interior of his knee, keeping it aligned with the bones in his leg.

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation