What is an example of a microorganism acting in a harmful way? a) bacteria spoiling food
b) bacteria aiding digestion
c) yeast used to make pizza crust
d) fungi decomposing waste in a septic tank

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

In what for do plants utilize nitrogen? why do they need nitrogen?

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells