BIOXI03: PLANT KINGDOM
332158
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times, as a result
1 There is high degree of sterility
2 One can conclude that the plant is apomictic
3 Self fertilisation is prevented
4 There is no change in success rate of fertilisation
Explanation:
Pteridophytes exhibit dichogamy, the maturation of male and female sex organs at different times to prevent self fertilization.