HELP WILL GIVE which of the following is an example of. an organism maintaining homeostasis? A. Birds flying south for the winter. B. Sweating when your body temperature raises C. Digesting a meal you just ate. C. having offspring

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i

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