Biology, 02.11.2020 22:00 sierravick123owr441
If you are examining rock layers that are suspected to be about 20 million years old, which radioactive isotope would you use? Explain your answer.
Answers: 2
Biology, 21.06.2019 22:00
How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.
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Biology, 21.06.2019 23:30
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
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Biology, 22.06.2019 09:00
To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a
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If you are examining rock layers that are suspected to be about 20 million years old,
which radioac...
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