Plants & Animals Evolution – En.BuradaBiliyorum.Com

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#Chimpanzees show greater behavioural and cultural diversity in more variable environments

Admin6 years ago08 mins

“#Chimpanzees show greater behavioural and cultural diversity in more variable environments” A young chimpanzee feeds on seed pods in the Issa valley, Tanzania. Credit: R. Drummond-Clarke/GMERC Behavioral flexibility enables species to adapt to uncertainty and changing ecological conditions via mechanisms such as innovation and greater cognitive capacity. Indeed, large brained species of birds or nonhuman…

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#Tortoise hatchlings found to orient toward objects resembling faces

Admin6 years ago05 mins

“#Tortoise hatchlings found to orient toward objects resembling faces” September 15, 2020 report A newly-hatched Testudo hermanni tortoise looking at a face-like stimulus. Credit: Gionata Stancher. A trio of researchers, one with the University of London, the other two with the University of Trento, has found that freshly hatched tortoises tend to orient themselves toward objects that…

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#Genetic adaption to climate change is swift in crop pests

Admin6 years ago09 mins

“#Genetic adaption to climate change is swift in crop pests” Credit: CC0 Public Domain Fruit flies have the uncanny ability to wake up from a months-long hibernation right when their food of choice—say, the fruit from apple or Hawthorn trees—is at its peak. They’re active for a couple of weeks, eating and mating, before going…

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#Why rats would win ‘Australian Survivor’

Admin6 years ago06 mins

“#Why rats would win ‘Australian Survivor’” Australia’s smallest rodent, the molinipi (Pseudomys delicatulus), considers one of Australia’s largest rodents, the otter-like rakali (Hydromys chrysogaster). They share an skull shape gradient that goes back further than either species’ arrival to their shared continent. Credit: Alison K. Carlisle (akaPapadore Illustrations). Australian rodents skulls all correspond to one…

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#Ancient bony fish forces rethink of how sharks evolved

Admin6 years ago08 mins

“#Ancient bony fish forces rethink of how sharks evolved” Virtual three-dimensional model of the braincase of Minjinia turgenensis generated from CT scan. Inset shows raw scan data showing the spongy endochondral bone inside. Credit: Imperial College London/Natural History Museum Sharks’ non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a…

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#Excitable cells: Tracking the evolution of electrical signalling in plants

Admin6 years ago07 mins

“#Excitable cells: Tracking the evolution of electrical signalling in plants” Credit: CC0 Public Domain A study led by researchers from Tasmania, Chile and Germany has furthered our understanding of plant evolution by tracking the origins of electrical signaling components that plants developed to communicate and adapt to life on land. The research team, including University…

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#Differing diets of bonobo groups may offer insights into how culture is created

Admin6 years ago011 mins

“#Differing diets of bonobo groups may offer insights into how culture is created” Bonobos interacting in tolerant intergroup encounters in Kokolopori bonobos. Credit: the Kokolopori Bonobo Research Project/Liran Samuni Human societies developed food preferences based on a blend of what was available and what the group decided it liked most. Those predilections were then passed…

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#Discovery of an ancient dog species may teach us about human vocalization

Admin6 years ago011 mins

“#Discovery of an ancient dog species may teach us about human vocalization” Photograph taken of a Highland Wild Dog in Indonesia. Credit: New Guinea Highland Wild Dog Foundation In a study published in PNAS, researchers used conservation biology and genomics to discover that the New Guinea singing dog, thought to be extinct for 50 years,…

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#Domesticated chickens have smaller brains

Admin6 years ago07 mins

“#Domesticated chickens have smaller brains” Adult Red Junglefowl. Credit: Per Jensen Researchers from Linköping University suggest a process by which the timid junglefowl from the rain forest could have become today’s domesticated chicken. When the scientists selectively bred the junglefowl with least fear of humans for 10 generations, the offspring acquired smaller brains and found…

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#Lungfish fins reveal how limbs evolved

Admin6 years ago011 mins

“#Lungfish fins reveal how limbs evolved” An embryonal fin of the Australian lungfsh as used in the study. The fin has been stained with fluorescent markers to visualise the developing internal skeleton (red), from which the limbs of land animals evolved, and the position of the external skeleton (green) that is specific to fish. Credit:…