A directional adjustment of growth in response to environmental stimuli is called ____.
A. circadian rhythm
B. vernalization
C. photoperiodism
D. statolith
E. tropism
Answer: E
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Creating transgenic animal models for human disease research allows scientists to study new drugs and treatments in animals such as mice, before giving these drugs to humans
a. True b. False Indicate whether the statement is true or false
Scientists discover several skulls of hominids that are now extinct. Which of the following skull features would be most likely to appear in an older skull?
A) a jaw that protrudes from the face at a small angle B) a jaw that protrudes from the face at a large angle C) a small brow ridge combined with small teeth D) a large cranial capacity combined with a small brow ridge
Griffith worked with
A) Streptococcus B) bacteriophage C) frog eggs D) Drosphila
Looking at the figure above, identify any monophyletic and any paraphyletic groups
What will be an ideal response?