Answer:
Explanation:
Tunica media; contains connective tissue that provides structural support
Over time, as oxygen levels decrease, CO2 levels increase. Respiration is correct as it uses oxygen as a reactant and releases CO2 as a byproduct.
Answer:
The answeris A.
Explanation:
Enzymes are important for digestive system as they break down large insoluble molecules into small molecules molecules.
Answer: 2 alleles
The number of the allele that a gene contains could be various. The allele will determine the phenotype of the organism, so more allele means more possible combination. There is only 1 gene that control the corn height and that gene only has two alleles. So, the total allele that controls the corn height should be: 1 gene * 2 alleles/gene= 2 alleles
