[Solved] Cilia differ from flagella in that A) cilia contain nine microtubule doublets surrounding a central pair of microtubules, whereas flagella contain only nine microtubule doublets. B) the protein filaments of cilia are "naked," whereas those of flagella are wrapped in an extension of the cell membrane. C) cilia are typically more numerous and shorter than flagella. D) cilia are anchored only in the proteins of the cell membrane, whereas flagella are anchored in a special structure called the basal body. National Parks: Protected areas of natural or cultural significance, set aside by governments for conservation purposes and public enjoyment. Land Mass: A large area of land distinct from other regions by boundaries or natural features, contributing to the geographical and ecological diversity of the planet. Ecosystem Restoration: The process of assisting the recovery of an ecosystem that has been degraded, damaged, or destroyed, aiming to return it to its original state. Artificial Ecosystems: Ecosystems that have been created or heavily modified by humans, including urban environments, agricultural land, and managed forests.