What is the most important mineral in a layer's diet and why? has to do with chickens

What re the two main phrases of the cell cycle.

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

Competition occurs between species when