Answer:
Shape, Size, Height, Type of Food
Explanation:
The color is the variable and the type of hummingbird can't be controlled.
Answer:
The pulmonary arteries have light violet blood as an artistic depiction to stress they carry deoxygenated blood, or oxygen poor blood, from the heart to the lungs.
Explanation:
The answer is C) The death rate begins to fall, but the birth rates remain high for a time. No countries in the world are currently in Stage 1 or demographic transition. However, many are in stage 2, which is why many governments are concerned about overpopulation.
Answer:
A eukaryotic plant cell
Explanation:
This is the answer because eukaryotic plant cell have nuclei which means more than one nucleus.
Viroids are small single stranded RNA molecules and are found in plants only. Hope this helps.