Which factor influencing flexibility is dependent upon individual behaviors?
a. joint structu...
Answers: 2
Biology, 21.06.2019 23:30, brook633
The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2
Answers: 2
Biology, 22.06.2019 02:00, badpotterchris
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 10:40, sierralynnbaldp16d4b
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
Answers: 1
Mathematics, 23.10.2020 14:00
English, 23.10.2020 14:00
Mathematics, 23.10.2020 14:00
English, 23.10.2020 14:00
History, 23.10.2020 14:00
Mathematics, 23.10.2020 14:00
Mathematics, 23.10.2020 14:00
Mathematics, 23.10.2020 14:00
Mathematics, 23.10.2020 14:00