What factors contribute to membrane fluidity?

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

Which label correctly identifies what x represents in the concept map?