Pawderosa Pet Care Blog

A Walking Fish Gives Us Clues about Evolution

Thursday, September 11, 2014

Nearly 400 million years ago, a huge shift in the history of life occurred. Creatures crawled out of the sea and transitioned to living on land. Those creatures most likely are our very distant ancestors, according to Charles Darwin's Evolutionary Theory. Now scientists are beginning to collect clues about what that transition might have looked like and how it occurred, thanks to a very unique African fish, the Polypterus senegalus (also known as Bichirs). This particular fish can not only breathe air outside of water through a pair of lungs, but uses its pectoral fins to walk!   READ MORE






Categories


Recent Posts


Tags

rules trails Oakland dog portraits ocean trail health belly tips speech Drought puppy care videos study portraits cat feeder birds work beach safety family kids trip Training and Tips cancer babies animal study treadmill animal care gifts tip fish Conserve dog care cats behavior smart feeder regret obesity Breed Selection squirrel discipline heat grooming home designer elderly pets fox science fence history friendship singing pet friendship cat obesity gardening pet loss vine training tool pet photography england Bay Area decor office fur e-collar loss poison oak garden purr dining out lost dog cat breeds illness pet food parks grass Cat cafe pain management chewing poison dog behavior China product grief animals shelter humans foxtail REI business Darwin career music exercise walking products pet resources Halloween My Pet Lives On communication depression social animals training Puppy Training Tips parkour dog amazing pets foods to avoid house obese preschool jump issues free evolution dog training cat lady new york dentist How-to pets dog animal science russia healing paw print Ebola new year public engagement breeds pet etiquette bath jealous dog GPS pet-proofing socialization pet adoption Off Doggie facts video outdoors indoor cat pet care scratch pet obesity dogs jumping feral cat dog handler runaway pet style little girl events animal behavior camping stray cat holidays Petco selfie rats banned separation anxiety first American cat cafe puppies Family fun Great Panda dog walker artist pet videos baby panda affectionate cleaning up California how to professional care foxtails pet parenting Water call domestic abuse crows Pets and Children humane society kittens petcare pet bonding pet loss support diet teeth pawderosa arthritis pet relationship rash ecollar tree frog resolutions cat children pet health dehydration protect gas house guests rescue animals litterbox summer kitten dog walking training tip hip dysplasia puppy cat care bond hiking rules of the road Fleas animal tracking device aggressive animals puppy outings 2014 emotions sea lion tecnu

Archive