资讯

The monarch butterfly life cycle begins with a whirl of wings in the heat of the summer sun. As a female monarch sips nectar ...
And one of the most amazing changes in nature is the life cycle of the butterfly called… metamorphosis. Me-ta-mor-pho-sis. When a male and a female butterfly reproduce, the female lays eggs ...
Plants are able to reproduce in two different ways - sexual reproduction and asexual reproducion. Sexual reproduction involves pollen from one flower fertilising the egg of another to produce a seed.