Answer: Asexual reproduction causes less competition for resources.
Explanation:
Answer: Single cell organisms dont need a respiratory system because oxygen and carbon-dioxe diffuses between their body tissues and the enviorment.
They build up Muscle Tissue :)
Answer: D
Explanation:
Okay so look at the diagram. Start from the middle and work your way out.
AUG: I find A in the middle (the first four) and then go to the part of the diagram that has U right under the last letter you had, so A. And do the same for U, and you should get methionine.
Repeat this process for the other two.