Sexual reproduction often involves evolutionary ... This is often apparent in animals that use external fertilization. In aquatic animals that release their gametes into the water, animals that ...

This big egg belongs to an ostrich. Some animals, like lizards, lay much smaller eggs and much more of them. During sexual reproduction a sperm from the male joins with an egg from the female.

Can be used to recap on sexual reproduction in animals or could lead into a classroom discussion on multicellular organisms.

Have you ever wondered if there are animals that reproduce asexually? Sexual reproduction is by far ... complement of ...

One answer is pollination, or plant sexual reproduction. Pollinators—typically wind, water, and animals—carry pollen from one flower to another, where fertilization takes place. In this game ...

In sexual reproduction—the way most life-forms ... meaning their eggs develop into embryos without fertilization. But before the eggs form, Baumann’s team discovered, the females’ cells ...