Can someone check this plz?

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

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

In what part of the body does the most muscle activity happen?