What does DNA stand for and what is it?

Which of the following is an example of this type of co-evolution

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

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?