Which of the following statements is correct?
a. Extinction is an unnatural process while speciation is a natural process
b. Both extinction and speciation are unnatural process.
c. Extinction is completely driven by man made influences while speciation is a naturally occurring event.
d. Extinction is a natural process while speciation is unnatural.
e. Both extinction and speciation are natural processes.
e
You might also like to view...
Which of the molecules below is NOT a subunit for building macromolecules?
A. glucose B. amino acids C. steroid D. fatty acid E. nucleotides
A germline mutation passes from generation to generation because it occurs during the DNA replication before
A) mitosis. B) meiosis. C) fertilization. D) RNA replication.
What can be deduced from this DNA fingerprinting evidence?
1.The boyfriend cannot be ruled out as a suspect.
2.The victim’s cells got mixed with the perpetrator’s semen at the scene.
3.Suspect 2 cannot be ruled out from these results.
4.The only potential perpetrator is suspect 1.
No birth control method other than complete abstinence is 100 percent successful. Indicate whether the statement is true or false