According to modern phylogeny, based on such data as the arrangement of genes in mitochondrial
DNA and the sequences of ribosomal RNA genes, hexapods are most closely related to which of the
following groups?
a. trilobites
b. myriapods
c. crustaceans
d. annelids
e. chelicerates
C
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All of the following are monosaccharides except ________.
A. glycogen B. fructose C. deoxyribose D. glucose
The type of venation in monocots is known as:
a. reticulate. b. parallel. c. netted. d. fibrous. e. striated.
A _______ is the sum of all the conditions, activities, and relationships a species needs to survive and reproduce.
a) niche b) population c) habitat d) ecosystem
Four of the following statements correctly describe lichens. Which statement is the exception?
A. They inhabit harsh environments. B. They contain a club fungus. C. They may have preceded the evolution of land plants. D. They may be a mutualism between an alga and a fungus. E. They can contain cyanobacteria.