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

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis