Nitrogen is so important to plants because it is a major component of chlorophyll , or the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (photosynthesis). It is also a major component of amino acids, the building blocks of proteins for plants.
Heidelbergensis is believed to have evolved from African H. erectus, also known as Homo ergaster, during the first early hominin advancements out of Africa, which are thought to have started around 2 million years ago. The one's who migrated through Europe and remained in Africa either speciated into H. heidelbergensis or underwent evolution.
Regional variations in Homo heidelbergensis eventually led to the emergence of two species of humans. Homo heidelbergensis populations in Europe gave rise to Homo neanderthalensis (the Neanderthals), whereas Homo heidelbergensis populations in Africa gave rise to our own species, Homo sapiens.
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Answer:
Human, nervous system, nerve tissue, neurons.
Explanation:
The organism is the biggest, in this case is a human, a human is composed of systems, and then organ tissue, and organ tissue is made out of cells.
<span>If the production of saliva is increased by the symphatetic nervous system (SNS) then, the parasymphathetic nervous system (PNS) does almost exactly the opposite of the action of the SNS. Therefore, for this item what is done by the parasymphatetic nervous system is to decrease the production. </span>
