How the weather determines a bat’s size

From: “Ambient temperature correlates with geographic variation in body size of least horseshoe bats”, M. Wang, K. Chen, D. Guo, B. Luo, W. Wang, H. Gao, Y. Liu, J. Feng (2020), Current Zoology zoaa004 https://doi.org/10.1093/cz/zoaa004 One of the most interesting and frequently recurring problems in biology is how diversity within species. Under natural selection you’d …

Hatching a plan: how modern genetics shed light on an 80-year old theory

From: “Transcriptome of pleuropodia from locust embryos supports that these organs produce enzymes enabling the larva to hatch” B. Koponová, E. Nichberger and A. Crisp (2020), Frontiers in Zoology 17:4 https://doi.org/10.1186/s12983-019-0349-2 When developing inside the egg, many insects develop small organs just below their final pair of legs called pleuropodia. These have been found in …

Is there a downside to flight? Looking for trade-offs in bush-crickets

From: “Contrasting patterns  of  macroptery  in  Roesel’s  bush  cricket  Metrioptera  roeselii  (Orthoptera,  Ensifera)”, S. Szanyi, A. Nagy, I.A. Rácz, Z. Varga (2014), Estonian Journal of Ecology 63:4 doi: 10.3176/eco.2014.4.07 Click to access ecol-2014-4-299-311.pdf Roesel’s bush-crickets (Metrioptera roeselii) have been presenting an interesting problem to scientists in recent years. Why? Because they have been expanding across …

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