Which of the following statements is incorrect:

i. Parenchyma tissues have intercellular spaces.

ii. Collenchymatous tissues are irregularly thickened at corners.

iii. Apical and intercalary meristems are permanent tissues.

iv. Meristematic tissues, in its early stage, lack vacuoles.

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.