In which period did the number of species increase most rapidly?
a. 0 to 20 years
b. 20 to 40 years
c. 40 to 60 years
d. 60 to 100 years
e. 100 to 160 years
Answer: a. 0 to 20 years
Biology & Microbiology
You might also like to view...
Genes located along the X chromosome:
A. have a full set of complementary alleles on the Y chromosome. B. are called X-linked genes. C. are contributed solely by the female parent. D. are always recessive to genes located on the Y chromosome.
Biology & Microbiology
Fusion of sperm and egg nuclei, producing a zygote that develops into a new individual.
What will be an ideal response?
Biology & Microbiology
________ molecules deliver amino acids to ribosomes during translation.
A. Messenger RNA (mRNA) B. Ribosomal RNA (rRNA) C. Transfer RNA (tRNA) D. Heterogeneous nuclear RNA (hnRNA)
Biology & Microbiology
About the Organismal Biology category
Examine Organismal Biology homework help here
Biology & Microbiology