The cerebrum/cortex - they're the same thing named differently
C.stressors are activities that can cause danger
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Natural selection is a theory originally popularized by Charles Darwin. According to this theory, animals in the natural environment change over time as beneficial traits are preserved, and traits which do not advance the species are slowly weeded out. Natural selection, a concept first theorized by Charles Darwin, is the adjustment of genes throughout generations based on factors that help it survive. Sometimes this is survival of the fittest or the organisms that are better suited to the environment in other ways.
Explanation:
Hope this helps you
Answer:
The toxic sludge covers the animals completely, and then they suffercate and dye, I don't know how else to say that
