I need help with this thanks (1 question)

Which best describes the structure of dna?

Free brainliest! what is a characteistic of the american stradfordshire?

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