Living organisms contain many complicated molecules. which of these is a reason that carbon is important in these molecules? a) a carbon atom can form a bond with only one other carbon atom b) carbon bonds with the lightest and smallest element c) a carbon atom can only form one bond at a time with another atom d) carbon forms both single and double bonds

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.