The formula to calculate population density is C. # of organisms in a region divided by land area.
Or # of organisms ÷ Land Area
Hope this answers ur question & helps!
Answer:
A galaxy is a collection of millions of stars, while a solar system is a star and the planets around it.
Explanation:
You live in a solar system, we revolve around our sun and so do the other planets making up a solar system
The answer of your question is cell that contain a nucleus
The only thing I can think of is how many gill flaps(of a fish), how often or speed of movement, and how fast it eats? I did a lab with a goldfish studying metabolism and counted the amount of gill flaps every 60 seconds with different temperature water. Hope it helps!
