40.Chassis No.
39.Spare Tire
38.Interchange
50. According to the following tables, which of countries needs resources from other countries most? | Country | Ecological footprint (ha/person) | Available ecological capacity (ha/person) | |---|---|---| | India | 1 | 1 | | China | 2 | 2 | | USA | 8 | 6 | | Japan | 6 | 2 | | Sweden | 6 | 8 | (A) India (B) China (C) USA (D) Japan (E) Sweden
49. If there was no geographic isolation and H. neanderthalensis and H. sapiens could have offsprings but hybrids did not survive, which of the following statements is true? (A) The mechanism of speciation is allopatric speciation. (B) Such speciation may be due to polyploidy. (C) This speciation process is a type of anagenesis. (D) Speciation occurs at steps of prezygotic isolation. (E) There is mechanic isolation between these species.
48. If all species existed now, which one of the following species have nucleotide polymorphism? (A) H. erectus (B) A.anamensis (C) P. boisei (D) H. sapiens (E) H. floresiensis
This is a large modal.