Examlex
Which of the following researchers proposed parental investment theory?
Streptococci
A genus of coccus (spherical) bacteria that usually forms chains; known for causing various infections in humans and animals.
Alpha Proteobacteria
A class of Proteobacteria that includes a variety of species, some of which are capable of photosynthesis or nitrogen fixation.
Gram-Negative Bacteria
Bacteria with cell walls consisting of a thin peptidoglycan layer and a thick outer membrane. Compare with gram-positive bacteria
Cyanobacteria
Photosynthetic bacteria that produce oxygen, found in aquatic and terrestrial environments, sometimes causing blooms.
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