Archeology
Discover the oldest animal in Earth
Scientists discovered fossils of a sponge-like creature dating back about 760 million years in Africa. This may be the first animal to appear on Earth.
Metazoan
Browse ScienceInfo articles and explainers related to Metazoan.
Topic archive
Articles about Metazoan
2 published items.
Biology
Single-celled organisms also have communication systems
When it comes to cellular communication networks, a primitive single-celled bacterium called Monosiga brevicollis outperforms animals with billions of cells. Researchers…