He diagram below represents a stack of rock layers. Examine the diagram, and answer the question that follows.
What do these layers and their fossils suggest about Earth's history?
A.
Lifeforms on Earth have been the same over time.
B.
No lifeforms were present when these layers formed.
C.
There have been changes in Earth's lifeforms over time.
D.
Only one kind of lifeform lived where these layers formed.
Answers: 1
Biology, 22.06.2019 04:00
Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino
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Biology, 22.06.2019 11:30
In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48
Answers: 1
He diagram below represents a stack of rock layers. Examine the diagram, and answer the question tha...
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