Science<span> is the study of the nature and behavior of natural things and the knowledge that we obtain about them
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Answer:
a) Artery
Explanation:
Arteries, beginning with the aorta extending to smaller branches, carry oxygenated blood away from the heart to tissues supplying them with oxygen.
The energy-rich compound needed by organism is : Carbohydrates
Carbohydrates consist of the combination of the existing Carbon, Hydrogen, and Oxygen alone.
For human, The source of carbohydrates could be found in almost every food, but the huge amount could be found in rice, potato, corn, cassava, oatmeal, etc
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Answer:
In biology, a molecular clock can be described as a method to determine the time for the divergence of species which occurred by the process of evolution.
Explanation:
The mutation rates of different molecules are used in this method. The mutation rates for DNA sequences and amino acid sequences are usually considered. The molecular clock can be used to compare and estimate the splitting of a lineage. For example, by this method, one can interpret when the chimpanzees and humans diverged from each other.
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-Toshino
Answer:
Destrucción de hábitats naturales, tanto terrestres como marinos y otros acuáticos. Destrucción de ecosistemas de todo tipo. Extinción de especies animales y vegetales. Interrupción de las redes y relaciones tróficas.
Explanation:
