Which one of the following features is unique to animals?
A. Embryonic development
B. Cells organized into tissues
C. Movement associated with muscle tissue and nervous tissue
D. Cells without walls
E. Heterotrophism
Answer: C
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After organic molecules have been formed in abundance, what is the next step that must occur in the
progression toward a living organism?
a. evaporation of the water the organic compounds are dissolved in b. dehydration reactions linking macromolecule monomers into larger molecules c. increasing availability of organic compounds d. the formation of a semi-permeable membrane e. aggregation of the different organic compounds so all of the pre-cell building blocks are in the same localized region
With one exception, members of the same
species always share the following things. Select the exception.
a. morphology b. biochemistry c. behavioral traits d. geography e. the same genus
In which of the following organisms is
genetically engineered human insulin produced?
a. pigs b. E. coli c. humans d. T. aquaticus e. B. thurigiensis
The cephalic end of an animal is toward its head
____________________ Indicate whether the statement is true or false.