All amphibians, reptiles, birds, and mammals alive
today
a. have jaws.
b. are chordates.
c. are vertebrates.
d. are craniates.
e. are craniate, vertebrate chordates with jaws.
Answer: e
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In the United States, solid municipal waste can no longer be dumped ____
a. in garbage dumps b. in biodegradable bags c. in garbage bags d. in landfills e. in the sea
The broad categories of grasses, shrubs, and trees represent a diverse range of species and characteristics, and they have fundamentally different patterns of
A) nutrient allocation and morphology. B) carbon allocation and morphology. C) carbon allocation and nutrient allocation.
Variations of homologous genes that result in differences in structure and function are
A) alleles. B) loci. C) autosomes. D) dominant. E) linked.
Which of the following bacteria oxidize nitrite (NO2-) to produce nitrate (NO3-)?
A) Nitrobacter B) Azospirillum C) Nocardia D) Cyanobacter E) Rhizobium