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The number of organisms reduces because between each level of the food chain about 10% of energy is lost through movement, through not the full organism on the previous level being eaten as bones and hair...

One factor is interference. New learning may cause either proactive or retroactive interference, where another memory is recalled instead of the one needed. An example of proactive interference is recalli...

The quadriceps work eccentrically on the way down for the squat, as the hamstrings contract concentrically. Then on the way up, the hamstrings relax, while the quadriceps contract concentrically.

While procedural memory is mainly related to motor skills, episodic memory stores memories of life events meaning they have different purposes. Another difference is that episodic memory is declarative me...

DNA is replicated within the nucleus of the cell through a process called semi-conservative replication. The first part of the process involves the splitting of the double stranded molecule into two separ...