Why are bryophytes considered incompletely liberated from their ancestral aquatic habitat?
A) They lack lignin.
B) Their sperm are flagellated.
C) The gametophyte generation is dominant.
D) They lack a cuticle.
B
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Protein misfolding causes
a. Creutzfeldt-Jakob disease. b. arthritis. c. immunodepression. d. schizophrenia. e. tuberculosis
Transformation is a process whereby:a
bacteria are transferred into plasmid cells. b. viruses are transferred into bacterial cells. c. plasmids are transferred into bacterial cells. d. bacteria are transferred into viral cells. e. plasmids are transferred into viral cells.
List three major evolutionary changes that occurred in animals, leading to greater complexity and specialization.
What will be an ideal response?
Which of the following brain structures is active during REM sleep?
-the thalamus -the brain stem -the amygdala -all of the above