Anxiety, the psychological and physiological state characterized by an anticipation of potential threats and a heightened ...

From spiders to scorpions, some 1000 different invertebrate species are traded globally as pets. This is bad for biodiversity ...

More than 95% of Australian animals are invertebrates (animals without backbones—spiders, snails, insects, crabs, worms and others). There are at least 300,000 species of invertebrate in Australia.

There are a lot less vertebrates on our planet than invertebrates. The largest animals on the Earth are vertebrates , like the blue whale . The largest vertebrate group are fish , of which there ...

Vertebrates are animals with a backbone, like mammals and reptiles. Invertebrates are animals without a backbone, like crustaceans, molluscs and insects. Mammals breathe using lungs , whereas fish ...

Q: Have any modern animals adapted to human activity through natural selection? Mike Anglin | Dallas, Texas Human-caused factors have led to anatomical changes in both vertebrates and invertebrates.

Discovered in the 1950s and first described in a paper in 1966, the Tully monster, with its stalked eyes and long proboscis, is difficult to compare to all other known animal groups.

It doesn’t apply to farm animals, racehorses, invertebrates, fish, or lab rats or mice. Another law, the Health Research Extension Act of 1985 , governs the treatment of all vertebrate animals ...

The new declaration, signed by biologists and philosophers, formally embraces that view. It reads, in part: “The empirical evidence indicates at least a realistic possibility of conscious experience ...

When it comes to fossils, it's normally the big animals that get the most attention. But a site in South Africa is showing that small finds can be impressive too.. Though they remain to be described ...