Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
53 Cards in this Set
- Front
- Back
|
A. anamensis
|
-4.2-3.9 mya
-larger than chimp -upright walker, bipedal -teeth similar to older fossil apes |
|
|
Acheulean tools
|
hand made stone tools of homo erectus
|
|
|
Aegyptopithecus
|
-primitive anthropoid ancestor of old war monkeys and hominids
-small, fruit-eating, and arboreal |
|
|
Amniotic Egg
|
egg in which an embryo develops in a liquid filled cavity, a waste sac is present as well as a yolk sac for nourishment
|
|
|
Archosauria
|
a term referring to the ruling reptiles-dinosaurs, pterosaurs, crocodiles, and birds
|
|
|
Dryopithecus
|
one of 2 apelike groups that evolved during the Miocene that eventually gave rise to present day hominoids. Evolved in Africa then spread to Eurasia
|
|
|
Laetoli footprints
|
fossilized footprints of an Australopithecine found in Tanzania by Mary Leakey
|
|
|
Pelycosaurs
|
Pennsylvanian-Permian reptile, many had large fin on back, possessed some mammal characteristics
|
|
|
Proconsul
|
-earliest ape
-lived during Miocene -baboon sized member of Dryopithecine group |
|
|
Purgatorius
|
opossum-like ancestor to suborder Archanta which includes lemurs, bats, and shrews.
-late cretaceous |
|
|
Thecodont
|
-socket-toothed reptiles -ancestor to dinosaurs,
pterosauria, and crocodylia -massive overbite |
|
|
Therapsids
|
Permian-Triassic
-mammal-like reptiles, includes Cynodonts |
|
|
Cynodonts
|
most mammal-like of all Therapsids, by late Triassic true mammals evolved from them
|
|
|
Sivapithecids
|
-2nd group of ape-like creatures
-evolved in Africa during Miocene -had powerful jaws and flat teeth -ancestors to orangutans but not humans |
|
|
Theropod
|
-1 of 2 groups of Saurischians
-bipedal, long, grasping hands, sharply clawed 3 toe foot -carnivores-T Rex & Velociraptor |
|
|
Hominoids
|
hominoidea-super family that includes apes and humans
|
|
|
Neanderthal
|
100,000-32,000 ybp, hominid that was cold adapted, had short & stocky body, large nose, chest, and cranial capacity.
-Modern human speech capabilities -Made tools & buried dead |
|
|
Pikaia
|
primitive chordate from Cambrian explosion, survived Burgess decimation. If it had gone extinct, humans wouldn't exist
|
|
|
Prosarapods
|
L. Triassic-E. Triassic
-largest land animals of all time -herbivorous, long neck, small head, bipedal & quadripedal |
|
|
Ankylosauria
|
group of Ornithischian dinosaurs, quadripedal herbivores more heavily armored than any other dinosaur
|
|
|
Baleen Whales
|
appeared 32 mya, feed using baleen rather than teeth
|
|
|
Diapsids
|
skull structure w/ 2 cavities behind each eye
|
|
|
Edaphosaurus
|
herbivorous, fin backed pelycosaur
|
|
|
Foramen Magnum
|
hole in bottom of skull where spinal cord attaches to brain
|
|
|
Ardipethicus Ramidus
|
hominid present in Eastern Africa 5.8-5.2 mya
|
|
|
Oldowan tools
|
stone tools, more primitive than Acheulean tools, chipped stone
|
|
|
Placental mammal
|
all mammals with a placenta to nourish developing embryo
|
|
|
Prosimians
|
any of the so-called lower primates such as tree shrews, lemurs, lorises & tarsiers
|
|
|
Diatryma
|
Paleocene-Eocene, flightless predatory bird
|
|
|
Endothermic
|
warm-blooded vertebrates such as birds and mammals who maintain body temp within narrow limits by using internal processes
|
|
|
Triconodonts
|
teeth shaped like crown
|
|
|
Ichthyosaurs
|
marine reptile with streamlined porpoise-like body. used powerful tail for propulsion and had flipper-like forelimb
|
|
|
Ornithischian
|
order of dinosaurs with birdlike hip/pelvis
|
|
|
Platypus
|
duck-billed, egg laying mammal (monotreme)
|
|
|
Marsupials
|
pouched mammals
|
|
|
Anthropoid
|
any member of the primate suborder anthropoidea
-includes new world and old world monkeys, apes and humans |
|
|
Cetacean
|
the mammal order that includes whales dolphins and porpoises
|
|
|
Eosimias
|
45 million years old, oldest monkeys, lived in rain forest, very small
|
|
|
Iridium Anomaly
|
high concentration of iridium found at cretaceous- paleogene boundary in Italy, possible evidence of a meteorite impact which could have caused Mesozoic extinction
|
|
|
Sauropoda
|
group of Saurischians- giant, quadrupedal herbivorous dinosaurs. Most common during Jurassic
|
|
|
Pterosaurs
|
flying reptiles- first vertebrates to take flight. Common from late triassic- end of cretacious. Had hairlike feathers- most likely endotherms
|
|
|
Primates
|
order of mammals that includes prosimians, monkeys, apes, and humans
|
|
|
East African Rift Valley
|
Divergent continental plate boundary, created a rift valley with basalt and rhyolite
|
|
|
Herrerasaurus
|
First dinosaur- late triassic, hinge-like ankle joint, dinosaur hip (lacks bone in center of hip socket)
|
|
|
Velociraptor
|
predator- large sickle- like claws on hind feet, used for slashing
|
|
|
Archaeopteryx
|
Jurassic- feathers and wishbone. resemble birds but thought to be evolved from small theropods
|
|
|
Pterodactyloids
|
long-tailed pterosaur, well known from late jurassic.
|
|
|
Plesiosaurs
|
Mesozoic- short necked or long necked. Modest sized marine reptile
|
|
|
Ornithominids
|
herbivorous and bipedal, with well-developed front limbs that allowed them to walk quadripedal
|
|
|
Tektites
|
glassy material condensed from hot vapor cloud produced by impact- it rained down and accumulated into a layer
|
|
|
Gubbio, Italy
|
Where high Iridium concentrations were found in clay. Rare on Earth, common in asteroids
|
|
|
Morganucodonts
|
Oldest mammal- late triassic. egg laying mammals, worldwide, small in size, large brains-nocturnal. ate bugs, had fur for insulation
|
|
|
Chicxulub Crater
|
Meteor was 10 km in diameter at 45,000 mph. Crater is 180 km in diameter. Caused most devastation in N America
|
