Answer:
leaves
Explanation:
Mesophyll cells are specialized for photosynthesis. These cells in the middle of the leaf contain many chloroplasts, the organelles that perform photosynthesis.
Mammals are unique in possessing a diaphragm to pull O2 into the lungs. The voice box is the larynx. Both the digestive and respiratory tracts are shared by the pharynx. Pseudostratified ciliated columnar is the epithelial tissue that is destroyed by smoking but can regenerate if smoking stops. The role of surfactant is to reduce surface tension. The primary role of hemoglobin is to carry oxygen. The inflammation of bronchi is called bronchitis.
<span>Yeast cells are the active ingredient to convert organic material into alcohol. Ethanol fermentation (production of alcohol) takes place when oxygen is not present in yeast cells and they still need to produce energy. The yeast cells well take monosaccarides such as glucose or fructose and break them down to form energy the by products are carbon dioxide and alcohol.</span>
improved water habitats for human recreation.
Explanation:
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
