12) Humans possess several characteristics that, when taken…

12) Humans possess several characteristics that, when taken together, differentiate them from other organisms. These characteristics include all of the following EXCEPT which one? A) opposable thumbs B) capacity for complex language C) bipedalism D) large brain relative to body mass E) the inability to maintain a constant internal body temperature

6) Which one of the following is a CORRECT statement regardi…

6) Which one of the following is a CORRECT statement regarding metabolism? A) Few living organisms require raw materials and a constant source of energy. B) Plants get the raw materials they need for life processes entirely from the air. C) Cells maintain life through the breakdown of molecules and energy by chemical and physical processes. D) Cells do not require energy to change molecules from one form to another.

32) Which one of the following is TRUE regarding water? A) E…

32) Which one of the following is TRUE regarding water? A) Each molecule of water consists of two atoms of hydrogen and one atom of oxygen covalently bonded to each other. B) The oxygen side of the water molecule is partially positive. C) Water is a type of ion. D) Electrons are shared equally between the atoms of water.