Which of the following would NOT be found inside a Haversian (central) canal?
a. bone cell
b. blood capillary
c. nerve
d. nutrients
e. wastes
A
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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
Which organ system does not work with the others to carry out the physiological processes of a mammal?
a. cardiovascular system b. lymphatic system c. skeletal system d. urinary system e. muscular system
What is the best term describing a sudden spike of new cases of 'Foot & Mouth' disease among a cattle herd?
A. Epidemc B. Epizootic C. Endemic D. Zoonosis E. Enzootic
About one-third of all animal and plant species are concentrated on ________ of Earth's land
A) 20% B) 10% C) 5% D) 1.5%