1. Which term belongs in the third level of the hierarchy of life pyramid? (A)tissues (B)complex organisms (C)cells (D)organs

2. Cells that perform a specific function are called…. (A) professional cells (B) specialized cells (C) super cells (D) hierarchy cells

3. brain cells brain tissue nervous system complex organisms Which term belongs in the third level of this hierarchy of life pyramid? (A) brain tissue (B) brain (C) cells (D) organ

4. Which of the following is not an example of an organ? (A) muscle (B) stomach (C) skin (D) brain

5. A flat, disk-shaped, red cell with a slight indentation in the center may be a…. (A) fat cell (B) brain cell (C) red blood cell (D) red muscle cell

6. cells tissues organs organ systems complex organisms

7. Which of the following is not a trend when moving from bottom to top of the hierarchy of life pyramid? (A) small to big (B) most to least important (C) simple to complex (D) many to few