Complete the sentence. Two groups of chimpanzees compete in a location that has a lot of fruit that is easy to get. This is an example of .
Select one:

intraspecies selection

intraspecies competition

interspecies competition

interspecies selection

Which of the following best describes the economy of africa?

Which of the following statements about the migration of workers to other countries is false?

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks