Answer the question using the accompanying figure. Which branch of this phylogenetic tree identifies Archaea?
a. A
b. B
c. C
d. D
e. E
ANSWER: d
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Which of the following is the most likely plant response to an attack by herbivores?
A) leaf abscission to prevent further loss of tissue B) early flowering to reproduce before being eaten C) production of chemical compounds for defense or to attract predators D) production of physical defenses, such as thorns E) production of thicker bark and cuticle to make it more difficult to eat
Which of the following adds individual nucleotides to the 3' end of an existing strand to build a new DNA strand during DNA replication?
a. topoisomerase b. primase c. DNA polymerase d. helicase e. DNA ligase
Biotic potential
a. varies from one species to another. b. is controlled by the timing of the first reproduction. c. is controlled by the frequency of reproduction. d. is controlled by the number of offspring produced. e. is true of all of these
Traits that enable an organism to survive and reproduce in its natural environment are called ________
Fill in the blank(s) with correct word