The circularity system of organisms carries nutrients throught the that organism. which cell structure has a similar function a. cytoplasm b. mitochondria c. edmembrane system d. large central vacuole

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

About how much of the cell mass is watet