Answer:
Yes
Explanation:
When all biotic organisms of food chain are represented on different trophic levels we would realise that the number of trophic levels in an ecosystem could be limited to four, rarely five.
I suggest downloading the app “conects”.
Ima just assume it is a true or false question and say true, as to make an experiment valid, only one variable has to be tested.
There are mechanisms that only allow blood to flow one way.
