Answer: Here's what I could find:
Ribosomes get their orders for protein synthesis from the nucleus, where portions of DNA (genes) are transcribed to make messenger RNAs. An mRNA travels to the ribosome and uses information it contains to build a <u>proteins</u> with specific amino acid sequences.
Explanation: I'm pretty sure it's protein, if not then it's DNA.
Answer:
Matter in an ecosystem:
- must be continuously replenished
- is recycled and reused
- is returned to the earth by decomposers
