There were multiple theories of evolution prior to Charles Darwin's theory of evolution, some being from the antiquity, some just 300-200 years old.
One of the theories of evolution was the theory of hybrids. This theory was proposed by the great natural scientist Carl Linnaeus in 1744.
His theory was that initially God created small number of species, and placed those species on an isolated island. Over time, the created species started to breed between each other. That created numerous different hybrid offspring. These hybrids were actually new species, created by the breeding between the different species, and over time they developed into the numerous species we now of.
The correct answer is b. a striped pattern. <span>The aguayo cloth is a specific carrying cloth characteristic for the people from Argentina, Bolivia, Chile, Colombia, Ecuador and Peru (traditional communities in the Andes). It typically contains colorful stripes intercalated with rhombuses and other figures with symbolic meanings. These are used to carry children on the back.</span>
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The correct answer is b. blanco.</span> Azucar is a Spanish word for sugar, so it means that it is white (blanco). <span>Sugar is the name for all sweet-tasting, soluble carbohydrates, which are used in food and drink preparation. Sugar inside the human body is in the form of the simple sugars fructose and glucose.</span>
Answer:
Endorphins are "pain-controlling chemicals".
Explanation:
Endorphins are endogenous opioid neuropeptides and peptide hormones in individuals and other animals. They are shaped and deposited in the pituitary gland. The organization of particles as endorphins is founded on their pharmacological action, as different to a exact chemical preparation. Stress and pain are the two most mutual issues foremost to the issue of endorphins. Endorphins cooperate with the opiate receptors in the brain to condense our insight of pain and act likewise to drugs such as morphine and codeine.
When a pigment molecule in a light-harvesting complex absorbs a photon of light, While returning to its ground state, the electron transfers some of the energy from its excited state to an electron in a nearby pigment molecule.
- It takes a photon of light energy some distance before it reaches a pigment molecule like chlorophyll.
- An electron in the chlorophyll is "activated" by the photon. The energy imparted to the electron then moves from one pigment molecule to another until it reaches the reaction center, a pair of chlorophyll a molecules.
- An electron in the reaction center is then excited by this energy, causing it to break loose and travel to the primary electron acceptor.
- Therefore, it is said that the reaction center "donates" one electron to the main electron acceptor.
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