After having one concussion you are more likely to have another — some doctorsestimate you increase your risk up to three times. There are two reasons why your risk increases: carelessness and brain chemistry.
Plants absorb me from the soil through assimilation, I am eaten by animals the animals and plants die and decompose where I am released back into the soil, weathering and erosion cause me to release out of rocks, I then find my way into the ocean being carried by water, I then return to the soil through the water.
Answer: <em>A. Morphology and Ability to Cause Disease</em>
Explanation:
Spirochetes have a lot of requirements that make them a difficult organism to cultivate in traditional mediums, that's why previously they were classified base on their morphology (appearance) and if these organisms were able to cause disease in humans. The current Classification uses DNA studies like PCR to categorize the bacteria.