What is taxonomy? a. the classification of plants based on their medicinal uses b. the science of classification c. a subgroup of organisms d. an organisms evolutionary history

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils