41. Lascaux and Altamira: a. b. c. are well-known Neandertal sites are 20,000 ye

Question

41. Lascaux and Altamira: a. b. c. are well-known Neandertal sites are 20,000 year old campsites are famous for their elaborate cave paintings d. contained cave bear skulls Chapter 14: Lessons Prom the Past, Lessons for the Future 42. All life on the earth shares the same DNA. true b. false a. on the earth: 43. The most abundant organisms living a. bacteria b. mammals c. primates d. fish 44. The Neolithic refers to: of cultural setting in which hunting-gathering a type is the main source of food the time of the first civilization the cultural setting in which people lived in villages and (domesticated) food a. b. ' roduction dominated hunting and gathering d. a cultural setting which tirst appeared about 40,000 years B.P. 45. The Paleolithic refers to: a. the cultural setting in which people lived in villages and (domesticated) food production dominated hunting and gathering b. type of culturail setting in which hunting-gathering is the main source of food c. the time of the first civilization d. a cultural setting which Eirst appeared about 40,000 years B.P. 46. Environmental degradation, especially deforestation, is a modern phenomenon only. a. true b. false 47. The most common cause of species extinctions today are a result of: a. habitat reduction due to human activities b. natural catastrophes such as earthquakes and floods c. impact from asteroids d. we do not know what causes species extinctions

Explanation / Answer

Q 41) answer) option c)

Answer : Lascaux and altimara are famous for their elaborate cave paintings . The paintings mostly comprises of animals and local fauna

Q 42 ) false

Reason : all the life on earth don't share the same DNA . But there can be some similarity in DNA due to evolutionary hierarchy

Q 43) answer ) bacteria

Reason : these are the most abundant organisms on the earth . The most number of bacteria are from a species of the Pelagibacterales , their number is estimated to be 2.4*10^28

Related Questions

Navigate

• Browse (All)
• Browse 4
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.