22. In order to survive in its environment, a single-celled organism uses a contractile vacuole to remove excess water that diffuses into its cell. Another
species, a hydra, also excretes excess water. Both processes involve the use of
energy. Which type of transport would be used by these organism?

Give examples of selective advantage of organism’s body part/organ

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.

How dose plate tectonics effect climate