A theory of evolution that states that a species evolves in spurts of rapid change and then goes through periods of no change is known as <span>punctuated equilibrium.</span>
Relative dating best helps determine fossil age. It's where layers of sedimentary rock and fossils pile up on top of each other; the oldest fossils being in the bottom layer and the youngest in the top.
<span>A rainforest is an example of a community. A community refers
to the interaction of various species within a common geographic location.
Communities are also known as biological communities, where species interact
and co-exist with another to thrive and survive their given environment. </span>
The atmosphere is a mixture because it contain many types of gases , liquids and solids.
The brain contains
billions of interconnected neurons and glia. <span> Glia cells</span><span> enclosed the neurons and provide support for and insulation
between them. It is also the most abundant </span>cell types in the
central nervous system. While Neurons are the basic units of the nervous system and it is the
most important part is the brain.
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