Self Quiz Plants JavaScript is disabled . One thing that distinguishes monocots from dicots is the presence or absence of flowers.
Ferns are pteridophytes.
Because these members of the kingdom Plantae do not have roots, they are limited to living in moist environments. It is believed that members of the kingdom Plantae evolved from these organisms. The significance of pollen, an adaptation found in all seed plants, is that it allows two separate and independent sexes to contribute equally to a zygote. is able to withstand long periods of environmental stress. In the angiosperms, the fruit develops from the pollen.