Answer:
A.the flow of energy between organisms in an ecosystem
The answer is individual or organism
Hope this helps
According to modern classification I will say that Jake is correct. With the use of tracing back and DNA technology then we can say that this is the digital way which is used nowadays to classify animals.
Sophie says through her observation that the characteristics of the animal classification used.
glucose is been oxidised to produce pyruvic acid and oxygen
Hello sorry for the late replay but my best answer is going to be
A.)
Friction works in the direction opposite of motion