Extinction of a species means that:
a. all members of the species have died out and have left no descendents.
b. researchers are unable to find individuals of the species in nature.
c. members of the species are not reproducing.
d. the species has died out in part of its geographic range.
A
You might also like to view...
Which of the following is TRUE of fertilization?
A. It restores the egg to a diploid state. B. It activates cell division. C. It is critical to maintaining membrane polarity. D. It both restores the egg to a diploid state and activates cell division. E. It both restores the egg to a diploid state and maintains membrane polarity.
Which of the following countries has the most
extensive family-planning program? a. United States b. Brazil c. China d. Japan e. Pakistan
The Calvin cycle is only capable of fixing carbon dioxide in the dark.
Answer the following statement true (T) or false (F)
The earliest discovered fossils are of ________ dating back to ________ years ago
A) single-celled eukaryotes; 4.5 billion B) prokaryotes; 3.5 billion C) algae; 1 billion D) fish; 600 million