Search results
Results From The WOW.Com Content Network
See a list of the 10 best jobs for retirees based on national trends for people ages 55 and older. ... training and library occupations — jobs that include elementary and middle school teachers ...
Parental care is a behavioural and evolutionary strategy adopted by some animals, involving a parental investment being made to the evolutionary fitness of offspring. Patterns of parental care are widespread and highly diverse across the animal kingdom. [1] There is great variation in different animal groups in terms of how parents care for ...
Social movements use social media for communicating and organizing. Social media has been criticized for a range of negative impacts on children and teenagers, including exposure to inappropriate content, exploitation by adults, sleep problems, attention problems, feelings of exclusion, and various mental health maladies.
Polygyny in animals. Polygyny ( / pəˈlɪdʒɪni /; from Neo-Greek πολυγυνία, from πολύ- (polú-) 'many', and γυνή (gunḗ) 'woman, wife') [1] is a mating system in which one male lives and mates with multiple females but each female only mates with a few males. Systems where several females mate with several males are defined ...
In 2011 in the EU, 0.05% of animals used in animal testing procedures were non-human primates. In 1996, the British Animal Procedures Committee recommended new measures for dealing with NHPs. The use of wild-caught primates was banned, except where "exceptional and specific justification can be established"; specific justification must be made ...
Elephant. Elephants are the largest living land animals. Three living species are currently recognised: the African bush elephant ( Loxodonta africana ), the African forest elephant ( L. cyclotis ), and the Asian elephant ( Elephas maximus ). They are the only surviving members of the family Elephantidae and the order Proboscidea; extinct ...
Around 50–100 million vertebrate animals are used in experiments annually. Animal testing, also known as animal experimentation, animal research, and in vivo testing, is the use of non-human animals, such as model organisms, in experiments that seek to control the variables that affect the behavior or biological system under study.
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .