Create a bottom strand that complements to the strand above. original top strand atg – ggg – cca – gtt – gaa – aaa – att – gca – gaa – ctt – tga tac - - - - - - - - - - original bottom strand

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

The picture below shows two galaxies. spiral galaxy and elliptical galaxy which of these statements best describes a similarity between the two galaxies? (2 points) both have elongated centers. both have centers shaped like bars. both change their shape from time to time. both are held together by gravitational forces.

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.