Place the following in the order in which they evolved:

eukaryotic cell, prokaryotic cell, photosynthesis, multicellular

What would happen if the krill were removed from the food web

What organs comprise the respiratory system of a bird

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