Ediacaran organisms
A. lived from about 600 million years ago to about 540 million years ago.
B. have been thought to be ferns, worms, or fungi.
C. All of the answer choices are correct.
D. lived during the Precambrian period.
E. did not leave any modern-day descendants.
C. All of the answer choices are correct.
You might also like to view...
When assessing the role of conjugative bacteria in the spread of antibiotic resistance genes, it is fair to say that Hfr cells contribute most while F- cells contribute least.
Answer the following statement true (T) or false (F)
After fertilization, the zygote undergoes a round of divisions in a process called ____
Fill in the blank with the appropriate word.
Which of the following is a permanent post-translational covalent modification?
A. attachment of a sugar B. disulfide bond formation C. proteolytic processing D. attachment of a lipid E. All of the choices are correct.
Which of the following is a vaccine-preventable disease?
A. genital warts B. Kaposi's sarcoma C. fifth disease D. infectious mononucleosis E. roseola