Which of these tissue types is (are) found throughout young plant bodies?
A) Epidermis only
B) Xylem and phloem
C) Periderm only
D) Epidermis, xylem, and phloem
E) Epidermis and periderm
D
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Ribbon worms belong to the phylum:
a. Nemertea. b. Platyhelminthes. c. Arthropoda. d. Ctenophora. e. Cnidaria.
You are studying a fossilized primate skull and notice that the foramen magnum is located at the center
of the base of the skull. You conclude that:a. the skull belonged to a knuckle walker. b. the skull belonged to a quadruped. c. the skull belonged to a bipedal primate. d. the skull belonged to a brachiator. e. the skull belonged to a gibbon.
The biological specialty that deals with the reconstruction and study of phylogenies is called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following must leave the nucleus via the nuclear pore complexes?
A. tRNA B. mRNA C. Immature ribosomal subunits D. Immature ribosomal subunits, tRNA, and mRNA