Four of the five answers listed below are members of a common group. Select the exception
a. sea star
b. sea anemone
c. sea urchin
d. brittle star
e. sea cucumber
b
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The distribution of epibenthic organisms on hard bottom sediments is: a. uniform
b. patchy. c. structured. d. random.
What essential difference between the growth and reproductive strategies of prokaryotes and multicellular eukaryotes explains why the latter have far more sophisticated regulatory mechanisms?
What will be an ideal response?
Similar families of organisms are next grouped together in the same:a
class b. order c. genus d. phylum e. kingdom
How are new alleles formed?
A) Cells engineer new alleles as they mature. B) Chromosomes condense and mix within the cytoplasm to form new alleles. C) Mutations cause changes to the DNA nucleotide sequence. D) Individuals are able to change their DNA due to environmental pressures. E) Improperly folded proteins create novel phenotypes.