The two major forms of carbon that remain following microbial degradation are
A) methane, organic matter, and fossil fuels.
B) methane and carbon dioxide.
C) lignin and fossil fuels.
D) organic matter and hydrocarbons.
Answer: B
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In the figure above, which label identifies the sensory hair cells?
a. 1 b. 2 c. 4 d. 5 e. 6
Four of the five choices listed below concern cells
with two chromosome sets. Select the exception. a. zygote b. somatic cells c. gamete d. diploid e. sporophyte generation
About half of all flowering plant species, including many important crop plants, belong to which category of chromosomes?
a. euploids b. haploids c. aneuploids d. polyploids
Humans become infected with Fasciola by
A. ingesting cysts on vegetation. B. consuming cysticerci in contaminated meat. C. ingesting water contaminated with eggs. D. the penetration of cercariae through the skin. E. the bite of infected mosquitoes.