Answer:
d. Lysine
Explanation:
Lysine ,
Since it can not be synthesized by human body so it is essential in humans and must be obtained from diet . Catabolism of lysine takes place through one of several pathways , most common is saccharopine pathway which takes place in liver . The product formed is acetyl-CoA which is converted to pyruvate through ketogenic pathway .
Carbon dioxide is released by plants and humans
The roundworm's body is a function of a parasite because it gets stronger when it eats digested food in animal's body and that harms the animal. T<span>hey are in the same body and the parasite lives on the host.</span>
<span>a)there would be a decrease in consumers
</span>