Where heavy metals pesticdes move up the food chain and start to kill lower leveled species/ animals.
Fossae are holes or depressions in the bones that are usually found on the end of the long bones. Fossae are good indications that a bone was connected or articulated with another bone. Therefore, if a scientist has found a fossa on a bone he or she could conclude that the bone was joined with another bone in the skeleton at the place of the found fossa.
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Other organic molecules such as fat and protein are also used as fuel in cellular respiration they just take a different pathway than glucose.
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