What information is provided by the fossil record that cannot be provided by examining living organisms?
A. All of the answer options are correct.
B. a record of extinct species
C. absolute dates for when different taxa
diverged
D. records of environmental conditions
E. timing of mass extinctions
A
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Genes that are expressed only when needed are
A) unregulated. B) mutations. C) inducible. D) constitutive. E) anabolic.
As long as food is plentiful, a zygote fungus:
a. reproduces sexually b. grows as a diploid organism c. produces spores from an aerial hypha d. forms gametangia e. grows as a haploid mycelium and produces spores by mitosis
The type of logical thinking that uses related observations to arrive at a general conclusion is called _______.
a) hypothesis-based science b) deductive reasoning c) inductive reasoning d) the scientific method
Which color changes represent a positive reaction for the presence of protein using the biuret test
a. purple to blue b. yellow to green c. blue to purple d. green to red e. blue to brown-red