Lamarck's theory of evolution proposed all of the following EXCEPT
a. Species change through time.
414
b. New characteristics are passed from one generation to the next.
c. Organisms change in response to their environment.
d. Changes that an animal acquires during its lifetime are inherited by its offspring.
e. Changes in species are a result of evolutionary mechanisms
E
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The first amino acid in a bacterial protein is N-formylmethionine; the presence of the formyl group makes it the initiator amino acid.
Answer the following statement true (T) or false (F)
Knight followed up on attempts of English farmers to improve varieties of agriculture with his studies on garden peas. When he crossed two true-breeding varieties, he found all of the following: Check all that apply.
_____ All the F1 offspring had the dominant trait. _____ If both parents have the same trait, then all of their offspring will also have that trait. _____ Some F2 offspring had the dominant trait and some had the recessive trait. _____ Among the F2 offspring, more had the dominant trait and fewer had the recessive trait.
If an animal population is diploid, each individual possesses:a
one allele for each locus. b. two alleles for each locus. c. three or more alleles for each locus. d. a complete set of alleles found in each chromosome. e. a partial set of alleles found in each cell.
The fossilized form of ____ is used in commercially important products, such as filters, polishes, and insect killer
a. dinoflagellates b. apicomplexans c. zooflagellates. d. euglenoids e. diatoms