Which is NOT an example of a microbial symbiosis?

Options:

  • A. bacteria in the human colon
  • B. tapeworm in the cow intestine
  • C. bacteria passing through the placenta
  • D. protozoans found within termites
View Answer

C. bacteria passing through the placenta

Which of the following is incorrect:

Options:

  • A. Sales is a sum of cost of goods sold and gross profit.
  • B. Gross profit is a sum of net profit and operating expenses.
  • C. Operating expenses means a difference between gross profit and net profit.
  • D. None of these
View Answer

D. None of these