Which of the following statements is not accurately describing a B Cell?

A) B-Cells make direct contact with pathogens using their B-Cell receptors

B) B-Cells do not require contact with other immune cells for activation

C) B-Cells mature in the bone marrow

D) B-Cells differentiate to make Plasma cells that produce antibodies

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

Which experiment would most likely contain experimental bias ?

9. the history of life on earth is recorded in