[15 POINTS!] How is relative-age dating used to determine the ages of fossils?
A. by observing the formation of sedimentary rocks
B. by using radioactive isotopes
C. by estimating the number of fossils in a particular region
D. by the formation of igneous rocks
E. by identifying the way the fossils were formed
Answers: 2
Biology, 21.06.2019 19:40, HannyBun
Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.
Answers: 1
Biology, 21.06.2019 22:20, yasmincastor
Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3
Answers: 1
Biology, 22.06.2019 07:00, genesisramirezozfyj7
What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).
Answers: 1
[15 POINTS!] How is relative-age dating used to determine the ages of fossils?
A. by observing the...
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