Question

Please help on 53 and 54.

s For questions 52-54, use the graph below. These questions are testing your ability to read and intepret data 1.500 O Homo heanderthalensis Homo sapiens 1,300 1,100 900 o ergaster 700 Hommo habilis eParant 500 boisei Gorilla Chimpanzee ) 300 20 40 60 80 100 120 Mean body mass (kg) @ Pearson Education, Inc. 52) Which species of hominin had a mean (average) brain volume closest to the brain volume of the gorilla (5pts) Paronthropus looise 53) The ratio of brain volume to body mass of Homo habilis is approximately (You must show your work to receive any credit! Don't forget to include units in your answer! Round the answer to one decimal place.) (5 pts) 300cm 54) The brain volume of Homo sapiens is approximatelytimes as large as the brain volume of Australopithecus afarensis. (You must show your work to receive any credit! Round the answer to the nearest whole number.) (5 pts) omo sapiens l3co cm3 AustaloP thecus aforensis 400 cm Jones County Junior College, Science Division

Answer 1

ratioo? bsain volume o bo mcaSS o Homo s hobilis is Solution -^ exage btein bsain voluume of Homo hab 's Aver c. g body mass approx. 30 kg volume to bo 3 Cm Aeag bocy mass 3g ko 3 Rc나 ; o oe bra ; n volume to body mas sis 20: 1

times as lage a tha brain voluma ot Solufion: Βγαί n volume of Homo sap ; en s -a?? x- 13 cm Average brcin volume ot Ausbralophe aay en TCL; 3 Tha bsain voluuma ot Homo sapiens arvox. 3. 37s times aser then Aushelopiheus aafarens