Protect yourself by following these steps: Treat all blood and body fluid spills as if they were infectious. When providing first aid or CPR, protect yourself first, then treat the victim second. Wear appropriate personal protective equipment: gloves, goggles, etc. as required by the accident.
Speciation is not a mechanism of microevolution.
Chemical elements are important to living organisms because they make up the organic molecules that are found in all living things
When researchers create lesions, they are destroying a piece of the brain.
