The intestinal villi are composed of epithelium which facilitates the absorption of nutrients. a specialized lymph vessel known as the absorbs any fats that may be present in the intestinal lumen. absorbs any fats that may be present in the intestinal lumen. scattered among the intestinal villi are goblet cells which secrete
(a) stratified columnar, lacteal, enzymes
(b) simple columnar, lacteal, mucus
(c) simple columnar, lacteal, enzymes
(d) stratified columnar, lacteal, mucus

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.