All ecosystems have a Producer.
The answer is D.cold, non-saline water
The pyramid of energy shows that the variety and number of species decreases as you move to higher trophic levels. ... This is also assuming that the organisms of the higher trophic level only eat the one organism. To maintain energy levels, higher organisms must eat more food than those at the lower levels.
Answer:
A solution containing starch will change its color from brown to blue black when added iodine solution
Answer:
Explanation:
1: it left rich black soil
2:The rosetta stone
3: not 100% on this one but i think it's they had planned grid-like streets
4:The began near the yellow and yangtze rivers
I did this last year. im pretty sure they are correct but am really sorry if they aren't. hope it helps
