Which statement does not identify a characteristic of antibodies? 1
They are produced by the body in response to the presence of foreign substances.
2
They may be produced in response to an antigen.
3.
They are nonspecific, acting against any foreign substance in the body.
L
They may be produced by white blood cells.

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

All organisms contribute some water to the water cycle by conducting

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.