Edwin Hubble used the Doppler effect to determine that the universe is expanding. After years of scientific research and observation of different celestial bodies through a telescope, Hubble found that the light from distant galaxies was shifted towards the red end of the spectrum. This red shift indicates that stars are moving away from us and from each other. This phenomenon is called the 'expansion of the universe', also known as the big band theory.
The answer is Optic Chiasma
Remember that CO2, light and heat (to activate the reaction and keep the enzymes happy) are all needed for a reaction. When one goes missing, it destroys the whole process.
1. No light = no reaction can be made. That means the plant wouldn't intake any CO2 anyway.
2. When very hot the enzymes will denature (plant dead) or when cold, the activation energy will not be there. So once again, it will not respond to light as it is not its primary concern.
The lowest level of biological organization that can survive and reproduce is the cell of an organism.
<h3>What is a cell?</h3>
A cell is the most basic functional unit of an organism that works to maintain homeostatic (internal equilibrium) by performing different metabolic activities such as for example, differentiation and reproduction.
In conclusion, the lowest level of biological organization that can survive and reproduce is the cell of an organism.
Learn more about the cells as functional units here:
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hi! producers are the main source of energy for consumers because they turn sunlight into chemical energy. without producers, no ecosystem would be able to survive because consumers would no longer have energy needed to live. hope this helps!
