I think its C. hormones act on muscles and glands only. Because hormones act on cells, tissues, organs etc. So this is incorrect and the rest of them are correct.
Answer:
The answer is D
Explanation:
Because as the energy travels from one animal to the other the energy decreases. For example a gazelle eats the grass right? And then a lion eats the eats the gazelle. The gazelle got energy from the grass it's body already used some so when it's eaten the lion only gets what energy the gazelle has leftover
