Which of the following best describes sponges?
A) They are asymmetrical, lack tissues, and do not move.
B) They are symmetrical, lack tissues, and do not move.
C) They are asymmetrical, have tissues, and do not move.
D) They are symmetrical, have tissues, and do not move.
A
Biology & Microbiology
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The gaining of electrons is referred to as ____
Fill in the blank with the appropriate word.
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All cancers are caused by viruses
A. true B. false
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In a cross of two individuals, both of whom have genotype AaBb, what proportion of the offspring are expected to have the genotype AABB?
A) 9/16 B) 1/16 C) 1/2 D) 3/16 E) 6/16
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The repeated use of which drug leads to the body decreasing the natural production of endorphins?
A. methamphetamine B. heroin C. ecstasy D. marijuana E. K2
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