At very low wage levels - that is, near the subsistence level - the supply curve may also be curved backwards for a completely different reason.

Basking sharks have hundreds of teeth (each having a single cusp, curving backwards) but they are tiny and are of little use.

As she curved backwards over the table, she opened her legs.

Throughout the move, the abdominal muscles, obliques, and legs are used to steady the performer while curving backwards.

It curved backwards in a mighty bow, exposing a smooth underside.

The shell of the slit limpet has an elevated conical profile with its apex strongly curved backwards, but never overhanging the posterior margin.

These horns curved forwards or backwards depending on the specimen.

The teeth are robust, sharp, pointed, and curving backwards.

The leaves are 3 to 6 centimeters long, linear in shape, folded lengthwise, and curved backwards.

In the middle there was a bowl of tawny red and yellow chrysanthemums, and one of pure white, so fresh that the narrow petals were curved backwards into a firm white ball.