In science, theories ______.
A. once proven, can never be rejected.
B. can tie together a larger number of observations that previously seemed unrelated
C. apply strictly to biological phenomena
D. have limited explanatory power
B. can tie together a larger number of observations that previously seemed unrelated
You might also like to view...
Mycorrhizal fungi interact with plants at the
A. cuticle. B. edge of ponds. C. stomata. D. seed coat. E. roots.
The sickle cell allele is spread through the population in West Africa and maintained at a high
frequency due to ____________________ advantage. Fill in the blank(s) with the appropriate word(s).
The resolution of a light microscope is determined by the equation
a. R = 0.61(?)(NA) b. R = 0.61(NA) divided by (?) c. R = 0.61(?) divided by (NA) d. R = 0.61 divided by (?)(NA)
Some organisms are capable of orchestrating alterations that are collectively termed antigenic variation. This allows the organism to __________.
A) rapidly move through the host's tissues B) drastically decrease its ID50 C) enter the host's body through more than one portal of entry D) evade the host's immune system