题目 Modern breeds (狗的品种) are often recognized by physical traits.Breeds are frequently associated with certain behaviors,too.But new evidence suggests that the breed is a poor predictor of your dog's behaviors.A study collected genetic information from more than 2,000 dog...
Yes, you can breed different types of molly fish. As the genus of the molly fish types is the same, there is no problem breeding them; however, the different varieties of molly fish are oftenobtained by cross-breedingof the different types. ...
Age influences domestic dog cognitive performance independent of average breed lifespanCognitive evolutionCognitive agingBreed differencesCitizen scienceExecutive functionAcross mammals, increased body size is positively associated with lifespan. However, within species, this relationship is inverted. This is ...