What is homeostasis? A. Filtering the blood of wastes
B. the exchange of gases in the lungs
C. keeping a chemical balance in the body
D. removing waste from the body

How do you transfer mrna into codons ? i'm so confused : (

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time