Vascular tissue first evolved in which lineage of land plants?
A. mosses
B. bryophytes
C. lycophytes
D. gymnosperms
E. hornworts
C
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A(n) _____ has a crown of ciliated tentacles that function in feeding
A) trochophore B) lophotrochozoan C) lophophore D) cuticle E) ecdysozoan
A member of subphylum Hexapoda is a crab
____________________ Indicate whether the statement is true or false.
In cardiac and skeletal muscle vasculature, the distribution of alpha and beta receptors is such that epinephrine will
A) induce a dilation that increases blood flow to these tissues. B) increase skeletal muscle contractility. C) induce a constriction that decreases blood flow to these tissues. D) have no effect on peripheral resistance. E) increase myocardial contractility
by volume, most of the semen is produced in the
What will be an ideal response?