What do all fungi have in common?
a. flagellated gametes
b. compacted hyphae
c. chitinous cell walls
d. diploid zygospores
c. chitinous cell walls
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Leprosy is caused by a microbe of the genus ________.
A. Mycobacterium B. Streptococcus C. Chlamydia D. Staphylococcus
What is the advantage of having different forms of hemoglobin?
A) Multiple forms allows for speciation. B) The multiple forms all have the same function so that one can be mutated without affecting the individual. C) There is no advantage because the forms arose by random chance. D) The different forms are adapted to most efficiently carry oxygen in different stages of development. E) The different forms are adapted to most efficiently carry oxygen in different climates.
The accompanying figure illustrates ____
a. anaphase I b. metaphase I c. metaphase II d. crossing over e. migration
Which of the following is the most likely series of events?
A. Earth formed—oxygen in atmosphere—living organisms—ozone B. Ozone—living organisms—plants—organic molecules C. Organic molecules—ozone—living organisms—oxygen in atmosphere D. Organic molecules—living organisms—oxygen in atmosphere—ozone