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alexgriva [62]
3 years ago
7

The petals are surrounded by the

Biology
1 answer:
ArbitrLikvidat [17]3 years ago
4 0
They are surrounded by the sepals. :)

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The laws of thermodynamics are important unifying principles of biology. These principles govern the chemical processes (metabolism) in all biological organisms. The First Law of Thermodynamics, also known as the law of conservation of energy, states that energy can neither be created nor destroyed. It may change from one form to another, but the energy in a closed system remains constant.

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Within each eon, identify major events and the types of life that dominated the Earth during the time.​
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There has been two eons in the Earth's geologic history so far, the Precambrian eon, and the Phanerozoic eon. The eons are the basic and by far longest units on the geological time scale, spreading over hundreds of millions of years.

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The Phanerozoic is the eon in which the multi-cellular organisms started to develop and evolve. This eon started with the end of the Precambrian eon, 543 million years ago up until the present. A very important event in this eon is the change of the composition of the atmosphere, which enabled the terrestrial life, as well as the better living conditions for the marine life. It is very hard to choose a dominant form of life in this eon, but worthy of mentioning are the plants, the sinapsids, dinosaurs, mammals, fish.

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3 years ago
Which of the following are associated with a rock's chemical composition? Select all that apply.
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B. Crystalline structure

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And

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If there is not enough carbohydrate available in cells to allow the acetyl-coa to enter the citric acid cycle, it will be used t
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<span>If there is not enough carbohydrate available in cells to allow the acetyl-CoA to enter the citric acid cycle, it will be used to make ketones. Acetyl-CoA is a molecule that is important in some biochemical reactions involving protein lipid and carbohydrate metabolism. It function to transport an acetyl group to the citric acid cycle or the Krebs cycle for it to be oxidized for the production of energy. Ketone can be produced and is regulated from the acetyl-CoA. The rate of the production of this substance  would increase during starvation or in other words there is less carbohydrates that is available in the body.</span>
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