Which chordate group has the most species?
a. bony fishes
b. reptiles
c. amphibians
d. mammals
e. cartilaginous fishes
a
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Which bacillus-shaped genus are primarily intracellular parasites of arthropods such as crustaceans and insects?
A) Coxiella B) Klebsiella C) Roseospirillum D) Wolbachia
The illustration shows one possible outcome of the
random alignment of homologous chromosomes at metaphase I. How many other possible arrangements exist? a. 0 b. 1 c. 2 d. 3 e. 4
Suppose that you find a protist that has a single flagellum surrounded by a collar of microvilli. What could be concluded about this organism?
a. It is a choanoflagellate. b. It is a plasmodial slime mould. c. It is a cellular slime mould. d. It is not an opisthokont.
Which biome is characterized by rainfall under 25 cm/year, hot days, cold nights, and quickly blooming plants?
A. grasslands B. taiga C. temperate deserts D. tundra E. temperate deciduous forest