What is the definition of autotroph. Please keep it simple as possible.

 an autotroph is a producer in the food chain

Explanation:

An autotroph produces its own food from light, heat, and/or environmental chemicals, often including water and/or carbon dioxide. It is a producer, not a consumer, in the food chain.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .