Please Help The article talks about two main ways to define life. One definition focuses on self-organization and self-maintenance. The other definition focuses on self-replication and evolution. Some obligate intracellular bacteria cannot propagate without a host cell. Do these bacteria meet the definitions of life described? Why or why not? How do these bacteria differ from viruses?
Article:
http://max2.ese. u-psud. fr/publications/2009-NRM-viruses. pdf

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

True or false most plants are c3 plants, because they use molecules of carbohydrate known as g3p in their photosynthesis process.