The first section of a scientific paper (after the abstract) is the Introduction. This is where the researchers provide relevant background information on their topic of investigation. This section shows that the researchers have read and are familiar with the research that has already occurred on this topic. It is full of footnotes or in-text citations (this article uses in-text citations) that inform the reader about the origin of the information (i. e. where that information came from). This allows the reader to look up the original research, if they so desire.

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?