Progenitor

progenitor A precursor, ancestor; one who begets. Origin: L...

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

This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..

Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..

Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..

Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..

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