Autotroph organisms are capable of producing organic compounds from inorganic sources, such as light. All plants are autotroph organisms. The correct option is B. prairie cordgrass.
Let us review the differences between autotroph and heterotroph organisms.
Organisms that can take inorganic substances, such as light, and turn it into food according to their own needs are producers, and they are called autotrophic organisms.
These organisms are by excellence all plants, that photosynthesize.
Autotrophs aborb 1% of the energy that reaches the earth's surface. This small percentage of energy flows through all organisms in the ecosystem -from autotrophs to heterotrophs- until it dissipates in the environment.
Organisms that are incapable of producing their food are called heterotrophic.
They depend on other organisms from the trophic chain such as plants or other animals to feed on, so they can get proteins and energy.
In the trophic chain, heterotrophic organisms occupy different levels after producers.
The prairie cordgrass is the heterotrophic organism.
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