New discoveries of fossil clawed footprints from Australia, published in Nature, push the origin of reptiles back in time by ...

The line between “fish” and “not-fish” is blurrier than most people realize. In scientific terms, “fish” refers to a diverse group of aquatic vertebrates, but not all their descendants ...

Fossil tracks found in Australia push the origin of reptiles back by 40 million years, altering the timeline of tetrapod ...

Along with the trees, the El Yunque hosts 50 species of native orchids, over 150 species of ferns, and 127 species of terrestrial vertebrates.” Not that I can speak for all Puerto Ricans.

Among them were the chordates, to which vertebrates (animals with backbones) such as humans belong. What sparked this biological bonanza isn't clear. It may be that oxygen in the atmosphere ...

This protects their body a bit like a suit of armour. Vertebrates have a backbone inside their body. They include mammals, birds, fish, amphibians and reptiles.

Tired of nonstop sales calls? Here’s how the Do Not Call list works and what it can actually do for you. The National Do Not Call Registry was opened by the Federal Trade Commission (FTC ...

Department of Chemistry, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States School of Pharmacy, University of Wisconsin−Madison, 777 Highland Avenue, ...

usage: famdb.py lineage [-h] [-a] [-d] [-k] [-c] [-u] [-f <format>] term [term ...] List the taxonomy tree including counts of families at each clade. positional arguments: term search term. Can be an ...