They have their tentacles which house cells called<span> cnidocytes.</span>
The correct answer is - 1) inverted pyramid, with a narrow base representing a small number of young individuals.
The populations that are decreasing are usually population in countries that are highly developed. The conditions for living are excellent, the medical care on high level, life expectancy very high, but the birth rates very low.
In this type of conditions, there's smaller and smaller number of young individuals, with the middle aged population being much bigger, and the older population being constantly on the rise. This will give the age-structure histogram a reverse shape than what it is supposed to have, it will be similar in appearance like a inverted pyramid, meaning that the population is aging and that it will be constantly on a decline in the future.
Answer:
Even though it can be undone, a new product is formed in photosynthesis. So it's a chemical process
The sun provides the energy for photosynthesis. Cells use sugar as a source of energy. The products of cellular respiration are CO2 and H2O. These products are used by plants to make sugar and oxygen through photosynthesis.
