If a child belonged to blood type O, he or she could not have been produced by which set of parents?
a. A and B
b. A and O
c. AB and O
d. O and O
Answer: c. AB and O
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All plant cells are surrounded by cell walls
A. true B. false
Which of the following groups are accessory glands in males?
a. prostate gland, bulbourethal gland, seminal vesicle. b. vestibular gland, seminal vesicle, prostate vesicle c. bulbourethal gland, prepuce, prostate gland d. seminal vesicle, prepuce, prostate gland e. prostate gland, bulbourethal gland, hypothalaumus
A scientific finding is believed to be true until new evidence arises. This view is referred to as:
A) immutable laws. B) a theory. C) a supernatural explanation. D) provisional assent.
A snail in your garden and an oyster are quite different in appearance. What would be evidence to justify grouping them together?
A. Both use siphons to obtain oxygen. B. Both use a radula for feeding. C. Both have sensory antenna. D. Both have a mantle capable of secreting calcium carbonate.