Design speeds for frontage roads are a factor in the design of the roadway. For consistency, design speeds should be used that match values used for collector streets or highways. For urban frontage roads, the desirable design speed is 50 mph [80 km/h] and the minimum design speed is 30 mph [50 km/h].
Different plants reproduce in different ways. Some plants reproduce asexually, others do use a type of sexual reproduction. Flowering plants in particular reproduce both sexua â¦ lly and asexually. Reproduction in flowering plants involves the production of gametes, the transfer of the male gametes to the female ovules is through pollen.
The flowers (or buds) of a cannabis plant have an important function. The flowers are the reproductive organs, so they provide for the propagation of the plant. The female flowers have the pistils containing the egg cells; the male flowers have the stamens containing the sperm cells (pollen grains).