web quiz 21 - 1 Which of the following statements about the...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Which of the following statements about the process of natural selection is incorrect? Natural selection works at the level of biological function and the corresponding biological structures (including genes) that underlie these functions. Natural selection is a process that functions only on time scales of evolution, typically thousands of years or more. Natural selection only works if there is a diversity of characteristics for any given trait (for example, differences in hair or eye color). Natural selection depends on there being some probability that a desirable trait will be passed on to an organism's offspring. The concept of natural selection can be applied equally well to the present day and to ancient times (> 3.5 billion years ago) before life as we know it existed on earth. 2. The apparatus to the right was used by Stanley Miller and Harlod Urey to study prebiotic synthesis. The presence of what compound in chamber B in the apparatus will prevent the accumulation of simple organic molecules in compartment A? CO2
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

web quiz 21 - 1 Which of the following statements about the...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online