Which one of the following best describes the characteristics of a community?
lives together and can breed with each other
performs complex activities within an organism
provides the surroundings in which an organism lives
Lives and interacts with one another in a particular environment

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.

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

When sodium chloride dissolves in water, the sodium chloride dissociates into a. na- ions. b. cl+ ions. c. nacl ions. d. sodium chloride ions.