MULTIPLE CHOICE QUESTION
You can get the common cold repeatedly because (mark all
correct)
1.Sometimes colds are really strong
2.Your excretory system is malfunctioning.
3.All illnesses repeatedly make you sick
4.Your WBCs may not recognize the antigen shape.
5.The antigen shape mutates

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans

Which of the following leukocyte is not correctly matched with its function? lymphocytes: immune response against viral infections eosinophil: bacterial macrophage monocytes: macrophage basophils: inflammation eosinophil: bacterial macrophage