In an estuary a zooplankton consumes a phytoplankton with a small globule of pcbs attached to it. a fish consumes the zooplankton as well as many other zooplankton. a larger fish consumes the small fish and then a gull consumes the larger fish. the increased concentration of the chemical at the top of the food chain is an example of

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

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

Amap's orientation is typically determined by an