The world would be very different if green plants had not evolved because the world is based on green plants. They provide food for almost all organisms: plants, animals, and microorganisms. They release oxygen into the atmosphere. They provide people with products including building materials, medicines, fuels, and fibers. They form fossil fuels, which are used by people all over the world. None of this would exist without green plants. The world would be much less colorful and diverse as well, because we would not have the great variety of plants, including trees and flowers, we have now.

You are watching: Write a paragraph describing how earth would be different if photosynthetic plants had not evolved.


no food for organismsno oxygen in the atmosphereno trees or flowering plantsno products based on trees or plants (building materials, medicines, fuels, fibers)no fossil fuels
6CO2 + 6H2O + light energy = C6H12O6 + 6O2Describe in words what occurs during the process represented by the photosynthesis equation. Include the importance of sunlight
Carbon dioxide and water are combined in a series of reactions.Sunlight provides energy for the reactions.The end result of photosynthesis is the production of sugars (glucose, a food) and oxygen (a gas).The energy from sunlight is stored in the glucose.
The equation for photosynthesis states that the combination of carbon dioxide, water and light energy produces a carbohydrate (glucose) and oxygen. The chemical formula is
Navah writes out the chemical equation for photosynthesis. She includes two reacting molecules to the left of the arrow and two resulting molecules to the right.What must be added to the chemical equation to more accurately represent photosynthesis?
The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.

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Consider the formula for glucose: C6H12O6. What does this indicate about the relationship of the reactants to glucose?
Johannes wants to know whether soil, water, or both are needed for plant growth. He chooses to conduct experiments on a willow tree for five years to answer his question. How can his experimental methods be changed to improve his experiment?
A sequence of electron carrier molecules (membrane proteins) that shuttle electrons during the redox reactions that release energy used to make ATP.
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