Answer: forming a hypothesis
Explanation: When first stating something without forming an experiment you are forming a hypothesis.
Hydrogen, carbon, and oxygen. These elements could make glucose, water, or carbon dioxide, which are some of the products and reactants of both cellular respiration and photosynthesis.
All living things made up of one or more cells.
Answer:
Gene duplication
Explanation:
Gene duplication is an evolutionary process that includes different phenomena such as, among others, unequal crossover, chromosome rearrangement, chromosome duplication, etc. These duplicated genes are redundant in function and therefore they may accumulate mutations such as insertions or deletions at higher rates compared to single-copy DNA sequences, thereby producing homologous genomic fragments with different lengths