We call this a life cycle. As you grow older ... When these eggs hatch out, they become caterpillars. This is called the larva stage. It doesn't look much like a butterfly yet, does it?

When the containers fill with water, mosquito larvae hatch from the eggs. After developing through four larval stages, the larvae metamorphose into pupas. Like the larval stage, the pupal stage is ...

Butterflies also go through a lot of changes during their life cycle. The female butterfly lays her eggs on a leaf, out of which hatches a larva or caterpillar. The caterpillar feeds on the leaves ...

The life cycle of most jellyfish species is similar. Museum curator Miranda Lowe explains, 'They have eggs and sperm and these get released to be fertilised, and then from that you get a free-swimming ...