2points what is an index fossil? o a. a fossil that is found all over the world o b. a fossil found in rocks from one time period o c. a fossil that is more than 60,000 years old o d. a fossil that is from an animal that did not evolve subm apex answer

the answer is c

explanation:

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.