Metazoan

Animals; have differentiated tissue...

The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..

Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..

Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..

Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..

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