Patterns of resource allocation and pollen-ovule ratios were measured in nine populations of Arenaria uniflora, a winter annual endemic to rock outcrops in the southeastern United States. Dry weights ...

Pollination could be a chaotic disaster. With hundreds of pollen grains growing long tubes to ovules to deliver their sperm to female gametes, how can a flower ensure that exactly two fertile sperm ...

The Mostly Male theory is the first to use evidence from gene phylogenies, genetics, modern plant morphology and fossils to explain the evolutionary origin of flowers. It proposes that flower ...

Sexual reproduction is the production of a new organism from two parents by making use of their gametes or sex cells. Plants also have male and female sex organs. When the male gamete combines with ...

In this article we are going to discuss the important points for the Class 12 Biology chapter 2, Sexual Reproduction in Flowering Plants. In this article we are going to discuss the important points ...

In some deserts of the world, a series of heavy rains can trigger many species of plant to flower at the same time. Beneath Death Valley lies a massive seed bank of desert wildflowers and when heavy ...