Data from both phylogenies and the fossil record show all of the following EXCEPT:
A. the earliest animals appeared more
recently than the earliest land plants.
B. microorganisms diverged early in
evolutionary history.
C. flowering plants diverged more recently
than algae.
D. primates diverged more recently than
tetrapod vertebrates.
E. diversity has accumulated over time.
A
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The stage of viral replication in which the host cell produces viral nucleic acids and proteins is:
a. Release b. Attachment c. Synthesis d. Penetration e. Assembly
Where do the electrons that are excited by the energy in sunlight first come from?
A) NADPH B) ATP C) Sugar D) Water
Which of these causes decreased blood pressure?
A. secretion of ADH B. secretion of renin C. secretion of aldosterone D. secretion of atrial natriuretic factor E. sympathetic stimulation of kidney blood vessels
Which of the following statements regarding breathing and circulation in insects is false?
A) Insects lose very little water by using a tracheal system to breathe. B) The tracheal system of insects consists of a series of branching air tubes that extend from the surface to deep inside the body. C) Terrestrial animals such as insects spend much more energy than aquatic animals to ventilate their respiratory surfaces. D) The circulatory system of insects is not involved in transporting oxygen.