The energy required for organisms to respond to the environment comes from sun.
How do producer organisms obtain energy?
The Sun is our star and it represents the most important source of energy for all organisms in a given ecosystem (both consumers and producers).
Producers are organisms at the bottom of the food pyramid that can synthesize biomass by using light energy from the Sun.
In conclusion, the energy required for organisms to respond to the environment primarily comes from the sun.
Learn more about the sun energy here:
https://brainly.com/question/2279921
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