Answer:
Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
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<span>C Rodents and rabbits are most closely related to primates. </span>
<span>Acidophile. These organisms have evolved to handle extreme environments that others cannot. An Acidophile has the ability to survive a low pH, such as sulfuric pools and geysers. They get their name by combining the word acid and phile, which means to love.</span>
Answer;
D. redwood tree forests.
Explanations;
Gymnosperms are seed-bearing vascular plants including, conifers, cycads, ginkgo, in which the ovules or seeds are not enclosed in an ovary.
In gymnosperms the cone is the female reproductive part and the pollen is the male reproductive part.
Red wood trees are examples of gymnosperms and are important in maintaining the balance of carbon dioxide in the atmosphere like other green plants.