Describe the unknown in terms of what you are able to determine from the tests. Is it primary, secondary, or tertiary

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

Match the types of competition to their descriptions

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere