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What does it mean when an organism is "fit” for its environment?

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

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

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above