Question

Which of the following statements is correct?
(1) Horsetails are gymnosperms
(2) Selaginella is heterosporous, while Salvinia is homosporous
(3) Ovules are not enclosed by ovary wall in gymnosperms
(4) Stems are usually unbranched in both Cycas and Cedrus

Answer 1

Answer:

i don't know the correct answer maybe

4 one is ryt

Answer 2

ovules are not enclosed by ovary wall in gymnosperms