An example of a secondary sex characteristic is the increase in hair on some parts of the body. Which organ(s) would be responsible for this trait? Select two options.

the thyroid
the ovaries
the thymus
the adrenal gland
the testes
the pancreas

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.