How Many Licks? remaining on the chart for 20 weeks. "How Many Licks?" also charted in several other countries. It peaked at number six on the Dutch Top 40 chart, and remained on the chart for 13 weeks. The single reached number seven on the Ultratop chart in the Flanders region of Belgium, also remaining on that chart for 13 weeks. It further peaked at number 58 on the German Singles Chart, remaining for eight editions. The song's music video, directed by Francis Lawrence, was shot in the Sylmar, Los Angeles neighborhood of Los Angeles on October 3 and 4, 2000, and premiered
Plant defense against herbivory reproduction. Many models have been proposed to explore how and why some plants make this investment in defenses against herbivores. The optimal defense hypothesis attempts to explain how the kinds of defenses a particular plant might use reflect the threats each individual plant faces. This model considers three main factors, namely: risk of attack, value of the plant part, and the cost of defense. The first factor determining optimal defense is risk: how likely is it that a plant or certain plant parts will be attacked? This is also related to the "plant apparency hypothesis", which states that a plant