Eukaryotic cells<span> contain membrane-bound organelles, including a nucleus</span>.Prokaryotic cells<span> do not contain a nucleus or any other membrane-bound organelle.</span>
Answer:
When water or any other liquid is poured into the communicating tubes shown in Fig. 10.9 it stands at the same level in each tube. This illustrates the popular saying that, “water finds its own level
Answer:
The answer is "galaxies."
Explanation:
The "universe" is also called <em>"the cosmos."</em> It includes space, time and heavenly bodies such as<em> planets, sun, moon, galaxies, etc. </em>
A galaxy is considered to be a big collection of gas, dust, stars (including their solar systems). All of these are being held together by<em> "gravity." </em>The Earth's galaxy is called the<em> </em><u><em>"Milky Way."</em></u> The name is derived from how it appears from afar.
<em>Other than our galaxy, there are millions or even billions of other galaxies in the universe!</em> They come in different colors, shapes and sizes. They appear clustered together due to <em>"mutual gravity."</em> A cluster consists of hundreds to thousands of galaxies.
Primary succession is a method of fertilizing soil that was barren and had never supported plant life, for example soil left over by a moved glacier of lava.
