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 ...

How do plants breathe through stomata? Key regulators of stomata are plant vacuoles, fluid-filled organelles bound by a single membrane called the tonoplast. Plant vacuoles are fluid-filled ...

Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls ...