Examlex
The cells of the epidermis that phagocytize pathogens are the ____________________.
Protocell
Membranous sac that contains interacting organic molecules; hypothesized to have formed prior to the first life forms.
Precambrian
Period of Earth’s history from 4.6 billion to 541 million years ago: the Hadean, Archean, and Proterozoic eons.
Archaean
Relating to the Archaea domain, consisting of single-celled organisms distinct from bacteria and eukaryotes, often found in extreme environments.
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