In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg?     ovary → style → stigma     stigma → style → ovary     ovary→ stigma→ style     stigma→ ovary → style

What is the main difference between angiosperms and gymnosperms in terms of where the seeds are produced? Where would you look to confirm this with your own observations?

a. Describe the function of plant roots. b) Describe the function of plant shoots. c)What is the function of lignin in terrestrial plants? d)What are xylem and phloem and how do they differ? e)Exactly what is pollen? f)Exacly what is a seed?

Match the definition with the proper terms Separate staminate and pistillate flowers on a plant Temporal separation of staminate and pistillate floral development within a plant The immediate product of male meiosis in an angiosperm The land plant lineage with the dominant gametophyte generation One of the two primary lineages of seed plants The class of floral organ mutant that results in a Carpel-Stamen-Stamen-Carpel arrangement (beginning with whorl 1). A plant that flowers if uninterrupted darkness is less than the critical photoperiod The central repressor of flowering (What gene is it?) [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ]