Biology Past Questions and Answers

A marine protozoan is likely to have no contractile vacuole mainly because the cytoplasm is

In fresh water marshes and swamps, the most important abiotic factors that organisms have to adapt to is

Which of the following biomass could be characterized by very low rainfall,cold nights, hot days, and fast blooming plants?

Mass of crucible = 10g
Mass of crucible and soil before heating = 29g
Mass of a crucible and soil after heating = 18g
From the information above, determine the percentage of water in the given soil sample?

I. Onchocerciasis
II. Schistosomiasis
III.Salmonellosis
IV. Meningitis
which of the diseases listed above are associated with water?