Ground squirrels are found in many areas of the united states. they live in underground burrows and are often attacked by birds of prey, coyotes, and bobcats. which of the following is a limiting factor for a ground squirrel population?
a. a population of tree squirrels
b. a population of hawks
c. genetic variability
d. breeding season

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline

Clara wrote the following hypothesis for an experiment about acidophilic bacteria. bacteria cells will stop dividing in a basic (alkaline) environment because of the high ph. which statement is the best way to restate the hypothesis so that it is more specific? growing acidophilic bacteria in some environments will cause the cells to stop dividing because of ph. if the ph of their environment is changed, acidophilic bacterial cell division will be affected. if the environment of acidophilic bacterial cells becomes alkaline, the bacteria will stop dividing. the more alkaline an environment, the less cell division will occur in bacteria.

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false