To protect themselves, some invertebrates, such as snails, have shells. Others have a hard outer layer called an exoskeleton. The first part of this word ‘exo-‘ means outside, so an ...

The beetle's exoskeleton is made up of numerous plates called sclerites. They feed on plants and fungi, break down animal and plant debris, and eat other invertebrates. Some species are prey of ...

Biotelemetry equipment now exists for invertebrates, fish ... Transmitters can easily be fastened to the hard exoskeleton, enabling researchers to document an individual's position and its ...