The diagram shows fossils buried in layers of sediment.
Which statement is supported by t...
The diagram shows fossils buried in layers of sediment.
Which statement is supported by the information in the diagram?
A. The fossil in layer Z is the youngest.
B. The fossils in layers Y and Z are younger than the fossil in layer V.
C. The fossil in layer Y is older than the fossil in layer W.
D. The fossil in layer X is older than the fossil in layer Z.
Answers: 3
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The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer
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People with one sickle cell allele are not likely to get malaria. what is this an example of?
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