Black and white photo of a group of water bugs on a white surface

Bee sitting on top of a piece of paper with a barcode and some text on…

Piece of paper with a QR code on it next to a ruler

Close up of a piece of rock on a ruler next to a scale

Bumblebee on a white surface with a label attached to it and a barcode…

Piece of quartz on a white surface

Small insect

Brown and white cowfish on a white background

Fossil of a small insect on a rock