__________ occurs in different patterns depending on the species and selection pressures. Fill in the blank(s) with the appropriate word(s)


ANSWER: Natural selection

Biology & Microbiology

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Amyotrophic lateral sclerosis (ALS) is a demyelinating disease that results from nerve damage beginning in the

A) brain. B) diaphragm. C) intercostal muscles. D) spinal cord. E) sensory nerves.

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Which cell organelle helps pinocytosis and phagocytosis to occur?

a. the endoplasmic reticulum b. the lysosome c. the plasma membrane d. the nucleus

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In classification, the taxonomic group just below family is

A. species. B. class. C. order. D. genus. E. phylum.

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