Which of the following is NOT a tracheophyte?
A. a fern
B. a liverwort
C. a horsetail
D. a conifer
E. an oak tree
B. a liverwort
Biology & Microbiology
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Growth of new blood vessels in and around tumors is called
A) invasiveness. B) angiogenesis. C) metastasis. D) dedifferentiation.
Biology & Microbiology
Trichinella spiralis is a/an ________ that invades the ________.
A. roundworm, intestine and muscle B. flatworm, heart C. flagellate, large intestine D. tapeworm, lungs E. ameba, intestine
Biology & Microbiology
Because birds such as the black widowbird eat fruit and insects, they are considered to be
__________.
a. autotrophs b. heterotrophs c. producers d. decomposers
Biology & Microbiology
Fructose and glucose are
a. isotopes. b. monosaccharides. c. disaccharides. d. six-carbon sugars. e. both monosaccharides and six-carbon sugars.
Biology & Microbiology