The answer is A) food web. B is not actually a thing, and C and D are very different vocab words.
Answer:
sir you will only give me 16 points that's not enough
I'm not sure about this, but I think it's the energy in the tidal waves or it could be what they eat.
It seems that you did not provide possible answers, but the mark recapture method is one method that is not very invasive. The population size is estimated by marking a certain number of individuals and releasing them into the wild, followed by a second capture later on. The members captured the second time with the markets from the original capture are used to estimate population size in the formula s*n/x where s and n are the first and second captured population sizes and x is the number of marked inidividuals from the second capture.
Farming, Food, and Medicine are a few things fungi can be useful for. <span />