Answer:birth rate, death rate, immigration, and emigration.
Explanation:
Population growth is based on these four factors
Answer:
Number <u>3</u> is the chloroplast. The chloroplast helps the plant obtain food by <u>photosynthesis</u>. Number <u>1</u> is the central vacuole. The central vacuole helps a plant maintain its structure by <u>turgor pressure</u>.
I think it's the Pancreas