Ch 10 Early Members Of The Genus Homo

Question 1

Adapoidea

Answer 1

One of the earliest groups of euprimates from the early Eocene era.

Question 2

Adapoidea

Answer 2

One of the earliest groups of euprimates from the early Eocene era.

Question 3

Adaptive Radiations

Answer 3

Rapid diversification of single lineages into many species which may present unique morphological features in response to different ecological settings.

Question 4

Ancestral traits

Answer 4

Features that were inherited from a common ancestor and which remain unchanged.

Question 5

Anthropoids

Answer 5

Group containing monkeys and apes including humans.

Question 6

Auditory bulla

Answer 6

The rounded bony floor of the middle ear cavity.

Question 7

Bilophodonty

Answer 7

Cusps of molars form ridges (or lophs) separated from each other by valleys

Question 8

Catarrhines

Answer 8

Primates with origins in Africa and Asia- monkeys, apes, and humans

Question 9

Auditory bulla 

Answer 9

The rounded bony floor of the middle ear cavity

Question 10

Clade

Answer 10

Group containing all of the descendants of a single ancestor, a portion of bog, genetic tree represented as a bifurcation in a lineage of all the branches leading forward in time from that bifurcation

Question 11

Convergent evolution

Answer 11

The independent evolution of a morphological feature in animals not closely related

Question 12

Crown

Answer 12

Smallest clade containing a specified set of extent tax and all descendants of their last common ancestor

Question 13

Diffuse co-evolution

Answer 13

The ecological interaction between whole groups of species with whole groups of other species

Question 14

Ectotympanic

Answer 14

Bony ringer tube that holds the tympanic membrane

Question 15

Euprimates

Answer 15

Primates, true primates, or primates of modern aspect

Question 16

Haplorhines

Answer 16

Group containing cattarhines, platyrrhines, and tarsiers

Question 17

Hominins

Answer 17

Modern humans and any extinct relatives more closely related to us than chimpanzees

Question 18

Mandibular synthesis

Answer 18

Fibrocartilaginous joint between the left and right mandibular segments located in the middle of the body

Question 19

Omomyoidea

Answer 19

Primates from the super family of Omomyoidea, one of the earliest groups of euprimates

Question 20

Petrosal bone

Answer 20

The portion of the temporal bone that houses the inner ear apparatus

Question 21

Placiaulacoid

Answer 21

Dental condition, where at least one of the lower cheek teeth is a laterally compressed blade

Question 22

platyrrhines

Answer 22

Primate anthropoidea infraorder platyrrhines a group containing monkeys found in the Americas

Question 23

Plesiadapiforms

Answer 23

Are cake, primates or primate like placenta mammals early Paleocene late Eocene era

Question 24

Plesiomorphic

Answer 24

Having features that are shared by different groups which arose from a common ancestor

Question 25

Stem

Answer 25

Taxa that are basal to a given crown group but are more closely related to the Crown group, then to the closest living sister taxon of the crown group

Question 26

Strepsirrhines

Answer 26

A primate group containing lemurs lorises and Galagos it does not include tarsiers 

Question 27

Toothcomb

Answer 27

A dental condition found in modern strepsirrhines in which the lower incisors and canines are laterally compressed and protrude forward at a nearly horizontal inclination. The structure is used in grooming.