No more than five trophic levels are present in an ecosystem, most have only 4.
When in New York State, small farms that were <span>abandoned many years ago have become hardwood forests, this would be an example of "</span><span>(3) ecological succession"</span>
A. I believe, because a chemical reaction equation is a shorter way to represent a chemical reaction.
Answer:
A. Galaxies
Explanation:
Galaxy cluster is known to contains 50 to 1000 galaxies, having a total mass between 100 trillion and 1 quadrillion solar masses, crossing across a distance of 30 million light years.
The word galaxy is derived from the Greek galaxias which means milky, a reference to the Milky Way. Galaxies range in size from the smallest of it with just a few hundred million stars to giants with one hundred trillion stars, with each rotating/orbiting its galaxy's center of mass.