I need some answers for this question

Which of the following is not a defining characteristic of plants?

Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.

The dense layer of connective tissue that surrounds an entire skeletal muscle is the