If the blank of the proteins changes, this is called a mutation.

Which organelle releases chemicals that break down large food particles into smaller ones?

What maintain homeostasis when a persons internal body temperature is 97.5°f

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a). it must be open to modification if new evidence doesn't completely support it. b). it must be based on scientific observations that can be repeated in a controlled setting. c). it must be applicable to future events and occurrences. d). it must be consistent with only a small portion of relevant observations or data.