What’s the elevation at point
A
B
C
D
X

An easy way to calculate the amount of energy available at each level is to what?

Which sequence correctly shows the path of carbon dioxide during repiration?

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.