The stem of a plant must elevate the flowers, fruits, and leaves of the plant so that the plant can receive enough sunlight to undergo photosynthesis. the cells in the stem of a plant often have thicker cell walls than the other parts of the plant in order to

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.

Which would be the most useful source of evidence to support mcneill's contention?

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m