The movement of substances across the cell membrane either into or out of the cell
50% will be heterozygous. 50% will be homozygous. 75% will have the same phenotype as their parents.
Systematic separation of the circulation of the blood. The right side of the heart receives oxygen-poor blood from your body and pumps it to the lungs. The lungs oxygenate the blood which returns to the heart and is pumped to the rest of the body by the left side of the heart. After which the blood returns to the right side, completing the cycle of circulation.
A frog is an amphibian so it survive both on land and water
Hope this helps:)