What type of selection would occur due to the following environmental pressure? Plants that are very short have a hard time obtaining the sunlight needed for growth. Plants that are very tall can more easily be damaged by the wind.

A.) Directional selection

B.) Stabilizing selection

C.) Disruptive selection

The first amino acid of a new polypeptide chain is

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.