Which of the following processes is directly responsible for growth in living organisms? A. The division of cells into two identical cells
B. The movement of water across a cell membrane
C. The production of reproductive cells called gametes
D. The exchange of the gases oxygen and carbon dioxide

Draw the structure of dna nucleotide with adenine as nitrogenous base

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

Asample of soil from a c horizon is light brown in color and has a high content of a mineral called feldspar. which of the following statements is most likely true