Which of these is a biotic factor of an ecosystem?
a. the temperature of water in a stream
b. the amount of water vapor present in a rain forest
c. the bacteria that live in the intestine of a rabbit
d. the rocks that provide cover for a rattlesnake

What amino acid is coded for by this sequence after the mutation

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

Antoine manages a number of apartment buildings that use natural gas for heating, cooking, and laundry. the scatter plot shows the correlation between the outside air temperature and antoine's natural gas bill. which type of correlation does the plot illustrate?