Ethics is an important area of biotechnology. why can ethical standards vary?
people may have different ideas of what is right or not.
ethics depend on state laws.
one person has to decide what is ethical for everyone.
ethics do not apply to most sciences.

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d