Froggy Jumps Microbe & Plant Evolution QuizVersión en línea Test your knowledge of microbes and early plants. por Aspen D 1 Halophiles thrive in which environment? a Freshwater lakes b Acidic springs c Salty areas 2 What do methanogens produce? a Hydrogen sulfide b Methane c Oxygen 3 Cyanobacteria are what kind of organism? a Anaerobic basidiomycetes b Photosynthetic and nitrogen-fixing c Heterotrophic algae 4 Clostridium botulinum produces which toxin? a Botulinum toxin b Tetanus toxin c Enterotoxin 5 Streptococcus pyogenes is associated with which conditions? a Malaria, dengue fever b Common cold, influenza, bronchitis c Strep throat, scarlet fever, necrotizing fasciitis 6 Staphylococcus aureus is known for which issue? a MRSA and skin infections b Gastroenteritis, dental caries c Tuberculosis, Lyme disease 7 Salmonella is a common cause of which problem? a Respiratory infection b Food poisoning c Urinary tract infection 8 Influenza undergoes which antigenic changes? a Mutation and recombination b Drift (small) and shift (big) c Transduction and transformation 9 Prions are composed of what? a Nucleic acids b Lipid shells c Misfolded proteins 10 What is the sequence of major plant evolution steps? a Seedless plants, ferns, conifers, flowering plants b Embryo protection, vascular tissue, megaphylls, seeds, flowers c Photosynthesis, roots, stems, leaves, flowers