Plant hormones are unequally distributed throughout the stems and roots, which results in parts of the plant growing in a particular direction. Sample exam questions - plant structures and their ...

Insect-pollination of flowering plants is responsible for the majority of the world’s flowering diversity and is an essential part of plant reproduction. Flowers have bright colours, smells and ...

So, why would wind-pollinated plants invest energy into producing flower parts with a costly red pigment ... an honorary professor of biology in Arts & Sciences at Washington University in ...