Question 27 put in order the stages of the life of a small star with a companion, assuming that mass transfer occurs from the companion to the small star. some of the choices may be extra. 1) begins as: ichoose] red giant with planetary nebula main sequence type o, b, or a white dwarf 2) main sequence type g, k, or m nova and/or supernova type 1a nova and/or supernova type 2 molecular cloud collapsing under gravity neutron star 3.) 4) [choose] 5.) choose]

70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?

Select the best hypothesis explaining why countries may have preferred communism. communism promised jobs after the insecurities of war. communists forced the people to do what they said. communism was fueled by a dislike for democracy. communism provided economic freedom for businesses and workers.

Which of the following describes the relationship between elements of an ecosystem