Human classification Flashcards
what is the classification of humans
mammalia, primates, hominidae, homo, homo sapiens
class humans
mammalia
order humans
primates
family humans
homidae
genus humans
homo
species humans
homo sapiens
what is the order of classfication, gneral
class-order-family-genus-species
features of mammals
three middle ear bones, single lower jaw bone, mammary glands, variety of teeth, ahir/fur, warm blooded, diaphram
what are the three types of mammals
placental mammals, marsupials and monotremmes
placental mammals
the young develops in mothers uterus
marsupials
the young develops in the mothers pouch
monotremes
the mother has fur and produces milk but lays eggs
what are primates
the highest order of mammals comprised of about 400 different species who share a number of features
features of primates
opposable thumb, flat hails and sensitive finger tips, large, foreward facing eyes, colour vision, binocular vision, protective bone at the outer side of the eye soocket, large brains, live in social groups, sexual dimorphism, long gestation period
gestation period
large period of time between conception and birth
sexual dimorphism
sexes have different forms and/or colours
defining characteristic
a characteristic that all members of a taxon share and only members of the taxon share
hominoids
a superfamily that includes all apes (great and lesser)
great apes
orangutans, chimpanzees, gorillas and humans
lesser apes
many species of gibbons
features of hominoids
cranium size skull larger than other primates, Y5 molar teeth, broad rib cage, long arms, no tail
hominini
includes modern humans and our upright walking ancestors
features of hominins
erect, bipdel walking, structural consequences of bipedalism, communication and complex social groups
