Which term belongs in the third level of the hierarchy of life pyramid? (A)tissues (B)complex organisms (C)cells (D)organs
Cells that perform a specific function are called…. (A) professional cells (B) specialized cells (C) super cells (D) hierarchy cells
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
Which of the following is not an example of an organ? (A) muscle (B) stomach (C) skin (D) brain
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
cells tissues organs organ systems complex organisms
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