What is the study of the interactions among living things, and between living things and their community

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

What element is able to combine with itself and hydrogen to form large molecules ?

All organisms contribute some water to the water cycle by conducting