They meet their basic needs by absorbing nutrients from the soil, receiving energy from the sun and also essential gases like nitrogen,oxygen,carbon dioxide from the air to create food for theirselves and by extension humans and animals.
Answer: 4 per m2
<span>To find out the population density of a certain
species, you must divide the number of organisms living in that habitat over
how big the area is. In this case, because there are 20 mice in an ecosystem
that is 5 square-meters big, then there would be 4 mice in every square-meter.</span>
Discrimination is the the separation of races or because something/someone is different.
The angel of the bottomless pit.
Apollyon, or "Destroyer".
The dragon.
Early american cultures were very vulnerable because they had nothing they knew of yet.