How do cells know what they should become as the body develops? Biological development depends crucially on spatial patterns: ...

"Floral morphology remains the cornerstone for plant identification and studies of plant evolution. This guide gives a global overview of the floral diversity of the angiosperms through the use of ...

Fig. 3 This is a diagram showing the dermal jaw bones from fish to human. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...