From this figure and your knowledge of geological time scales, we can infer that:
1.Fossils found at point A are similar to those found at point B.
2.The rock formations of region B are much more recent than those of region C.
3.The rock layers and life forms found within are older as you move from layer D to layer A.
4.There are no generalizations to make. You have to carbon date everything regardless of what layer the fossil is found in.
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The first identified case in an outbreak is called the
A. starter case. B. traceable case. C. primary case. D. index case.
When several ribosomes translate the same mRNA they are called ________
a. polysomes b. polypeptides c. codons d. mutations e. polysaccharides
At the end of meiosis I there are _______, whereas at the end of meiosis II there is/are ______.
Fill in the blank(s) with the appropriate word(s).
Threadlike fungal filaments are called
A) mycelia. B) hyphae. C) vascular bundles. D) mold.