Darwin observed an orchid flower with petals arranged in very long, thin tubes, rather than broad and flat, as we might see in other common flowers. What is the advantage to the orchid having an 11-inch-long nectar tube arrangement of the petals? A. The flower can produce nectar more easily spread over a larger area to attract more pollinators. B. The flower can only be pollinated by o specifically adapted pollinator, reducing cross fertzation among orchid species. C. The flower nectar tube can collect more romwater to mainain health of the lower. D. The long tube can trap insects as a source of nutrients.

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Which food could be transported in a galvanized metal container?