Which plant genus dominated glaciated regions during the late paleozoic and early mesozoic?

The use of dna as evidence in criminal investigations became possible because of the

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

Which describes the habitat of a frog?