Primary succession is when things that grow on rocks and don't need soil, like lichen, break down the rocks and turn them into soil. Then things that grow on soil can grow, like algae and fungus and firther break down the soil.
The successional stages would be larger organisms like plants and animals.
Answer:
An equation is math so i dont really know
Explanation:
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Explanation:
A hydrogen bond is a common type of chemical bond in organisms. As the name suggests, this type of bond involves a hydrogen atom. The hydrogen is attracted to a strongly electronegative atom, such as oxygen, fluorine, or nitrogen of a polar covalent bond in the same or another molecule.
This gives water unique properties, such as a relatively high boiling point, high specific heat, cohesion, adhesion and density.
Their location, or layer
The cells produce three germ layers:
endoderm- becomes the gut
mesoderm- becomes muscle, skeletal system, some organs, and connective tissure
ectoderm- becomes skin and nervous system
