Answer:
Tubules?
Explanation
The trachea, spiracle, and air sac are part of their respiratory system, Howeber, the tubules are what take away the carbon dioxide from their system. Im not sure if they produce the carbon dioixde. But they are a part of what removes the carbon-dioxide from their body.
No because a chemical reaction that is at equilibrium in living cells is not capable of doing any work
<span>The double helix of dna is which level of structure? a.Primary
</span>
Answer:
I'm going to say grass
Explanation:
Didn't post food chain but grass is a very commonly used producer.
