What molecule represents ions found in a glass of water

According to the cladogram, which organisms have roundworms as a common ancestor?

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.