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Discuss the three major components of Freud's theory of human personality and the sequence of their development.
Photoheterotrophs
Organisms that obtain energy from light but require organic carbon sources for growth and development, unlike plants which can fix carbon dioxide.
Vector
An organism, typically an insect, that transmits pathogens from one host to another, or a molecule used to insert DNA into a host cell in genetic engineering.
Bacterial Decomposers
Bacteria that break down dead organic material, contributing to the decomposition process and nutrient cycling in ecosystems.
Nitrogen
A chemical element with symbol N and atomic number 7, an essential component of all living organisms as part of amino acids, proteins, and nucleic acids.
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