Producers in an ecosystem are also known as
autotrophs
The correct option is B:
Explanation for correct option:
Explanation for incorrect option:
Option (A):
Scavengers live by eating dead animals. So they cannot be called as producers.
Option (C):
Heterotrophs are known as consumers because they cannot prepare their food and rely on plants or other organisms for nutrition.
Option (D):
Decomposers eat dead plants and animals so they cannot be called as producers.
Final answer:Producers in an ecosystem are also known as autotrophs.