When the death of species is less eminent, but the population of a particular species is quite small, it is
defined as being:a.
extinct.
b. extant.
c. endangered.
d. threatened.
e. endemic.
D
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The three main forms of nitrogenous wastes found in animals are
A. ammonia, urea, and uric acid. B. ammonia, urea, and uracil. C. ammonia, urea, and amino acids. D. uracil, urea, and uric acid. E. amino acids, uracil, and uric acid.
A large molecular complex that assembles DNA nucleotides into polynucleotides using a preexisting strand of DNA as a template
What will be an ideal response?
The trp operon is an example of a(n) ____ operon where tryptophan acts as a(n) ____
a. inducible; inducer b. inducible; activator c. repressible; corepressor d. repressible; repressor e. repressible; inducer
In the wild, an animal avoids a food that had previously made it sick. This animal is exhibiting
A. observational learning. B. habituation. C. imprinting. D. operant conditioning. E. classical conditioning.