During a recent hurricane, 25 individuals of the same butterfly species were blown onto a barrier island in southern florida. after several years, the population stabilized with approximately 150 individuals. the butterflies and the flowers that they require for food would be considered an example of a(n)

community

Explanation:

Community refers to a group of populations of different species that live together in a defined habitat. These species exhibit interdependence for one or other resources. It is a level of the ecological organization just above the population and consists of hundreds of different types of organisms of various species.

Butterflies and flowering plants belong to different species. Butterflies are dependent on these plants for food. Therefore, these two together represent two populations of different species living together in habitat and are an ecological community.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

geologic time scale (for gradpoint) =)