All of the following would have been energy sources on primitive Earth EXCEPT
A. ultraviolet light.
B. heat.
C. oxidation of organic molecules.
D. sunlight.
C. oxidation of organic molecules.
Biology & Microbiology
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Mendel's work involved plants that showed incomplete dominance.
a. true b. false
Biology & Microbiology
Cryptic coloration advertises a species unpalatability to potential predators
____________________ Indicate whether the statement is true or false.
Biology & Microbiology
The heart, skeletal muscles, and blood vessels all contain muscle tissue.
Answer the following statement true (T) or false (F)
Biology & Microbiology
A genetic cross between two individuals who are heterozygous for two traits of interest is called a(n) ________
Fill in the blank(s) with correct word
Biology & Microbiology