Natural selection is defined as a. the changes that occur in an organism over its lifespan. b. the changes in the characteristics within a population that lead to survival. c. the changes that occur in a population that do not affect survival. d. the process by which humans select the most desirable organisms in a population.

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

When using the scientist method, which step comes last?