Put the following biological structures in the correct order of organization, from smallest to largest: A. Respiratory system, dog, alveoli, lung, squamous epithelial cell B. Squamous epithelial cell, alveoli, lung, respiratory system, fish C. Squamous epithelial cell, alveoli, lung, respiratory system, dog D. Squamous epithelial cell, lung, alveoli, respiratory system, dog

Each hereditary trait corresponds to

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond