Select the observation that would illustrate Nicolas Steno's Law of Superposition. A Trilobite fossils were found near the top of a rock formation in Utah, B Fossils of Australopithecus africanus have been found in South Africa. C Fossilized mastodon bones have been found at the bottom of a spring in Florida. D Fossils of annelid worms have been found beneath fossilized shark teeth in Russia.

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.