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m_a_m_a [10]
3 years ago
9

This is the chemical reaction that occurs during photosynthesis; identify which of these is a product in this chemical reaction.

A) water B) oxygen C) hydrogen D) carbon dioxide 4)
Biology
2 answers:
kakasveta [241]3 years ago
8 0

B oxygen is the product that is created

Pavlova-9 [17]3 years ago
3 0

Answer: B) oxygen

Explanation: Photosynthesis is a phenomenon in which green plants containing chlorophyll use sunlight as a source of energy to convert carbon dioxide and water to form glucose and oxygen.

Reactants of a chemical reaction is defined as the substances which take part in a chemical reaction and undergoes a chemical change. Reactants are written on left side of the arrow.

Products are defined as the substance which are formed at the end of the chemical reaction. Products are written on the right side of the arrow.

6CO_2+6H_2O\overset{sunlight}\rightarrow C_6H_{12}O_6+6O_2

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What provides evidence of an increase in animal species at the same time that atmospheric oxygen concentrations increased?
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Answer:

Fossil records provide evidence of an increase in animal species at the same time that atmospheric oxygen levels increased.

Explanation:

A huge diversification among animal species occurred with the increase in the levels of atmospheric oxygen. The reason why the number of species increased drastically was that a whole new world opened up, the land. The land was open for exploitation and taking over, with every single niche free, so animals diversified and filled in pretty much all of the niches. The fossil records give us clues when this happened, as from only microorganisms there is a sharp rise in complex animals, coinciding with the increase of oxygen levels.

If it wasn't for the increase of atmospheric oxygen though this wouldn't have been possible. The oxygen in the atmosphere enabled animals to breathe on land. Also, it cooled off the global temperatures which were too high before the increase of atmospheric oxygen, making them suitable for life. And last but not least, the atmospheric oxygen resulted in the formation of the ozone layer, a layer that started to act as protection from the UV rays.

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2 years ago
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kirza4 [7]

Answer:

They make it themselves! Plants are called autotrophs because they can use energy from light to synthesize, or make their own food source. Rather, plants use sunlight, water, and the gases in the air to make glucose, which is a form of sugar that plants need to survive.

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Which of these statements most likely describes what happens if DNA is not duplicated during interphase?
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Please help<br> Explain Give two examples of how abiotic factors are influenced by biotic factors?
Zanzabum

Answer: If this doesn't help just let me know

The abiotic factors will define which organisms are able or not to live in a specified place. The living organisms will constitute the biotic factors, which define if and how can an organism live in a specified environment. So, the abiotic factors are controlling the biotic factors of an environment.

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