Biology, 17.09.2019 18:30 hilzepesqtatiana
Plz hurry the diagram below shows the layers in a rock having a brachiopod: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has two identical organisms marked as, brachiopod, in the key and one shaded circle, the middle layer has a two squares, the top layer has one star shape. in the key the shaded circle is marked as x, the square is marked as y and the star is marked as z which statement about the rock fossils is true? organism x existed for a short period of time. organism y became extinct before organism x. organism x and organism y existed at the same time. organism z became extinct much before organism x.
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Match each law or principle to its description. 1. law of original horizontality sediment continues to spread in a flat plane until it hits an edge or runs out of material. 2. law of superposition the youngest strata are at the top and the oldest are at the bottom. 3. law of original lateral continuity sediment gets pulled down by gravity in a horizontal and flat layer. 4. law of cross-cutting or intrusive relationships if there is a fracture or intrusive feature seen in rock strata, it is younger than the rock strata.
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Plz hurry the diagram below shows the layers in a rock having a brachiopod: a rock column labeled r...
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