There are plants almost everywhere on our planet. They may grow from a seed or a bulb but all have four important parts. Flowers Flowers are often brightly coloured and have petals. Flowers are ...

(1.50) Identify at least three species of birds that feed on tree sap. (11.00) Can you name the five parts of plants that different kinds of birds may use as food? Insects are everywhere ...

After realizing that floral sex parts varied in number, Linnaeus developed a plant classification system based on their sexual anatomy. The number of stamens (which produce male gametes), their length ...