If a photosynthetic organism is illuminated in a closed, sealed environment, it is observed that the CO2CO2 and O2O2 levels in the surrounding atmosphere reach a constant ratio. Part A Suggest an explanation. Match the words in the left column to the appropriate blanks in the sentences on the right.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.