Place the steps of transcription in order:

1. rna polymerase attaches to the dna template

2. the mrna strand moves out of the nucleus

3. base pairing forms mrna

4. the dna strand separates

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays