Ryan is an 18-year-old male who recently went to the family doctor for a check-up. The doctor found his testosterone (a lipid) levels to be extremely low and decided to perform a blood test. Results show that the reproductive cells of Ryan's body are not synthesizing lipids at normal levels. Which cell organelle is not working properly?

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.