Which of the following situations would result in increased oxygen diffusion from alveoli into blood A. increase in perfusion and decrease in ventilation B. increase in oxygen concentration of blood C. reduction in alveolar surface area D. reduction in residual volume in the lung

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy

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

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these