Hello, I forgot I had a 3d cell making project for mike today and I cannot go out. Can you send me a 3d cell that you made yourself without finding it from the internet? ​

answer: node would be introduced.   is the correct

explanation:

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.