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Significance of arthropods in veterinary medicine.
Biol 206 - Zoology Lecture Handout - Arthopods Phylum Arthropoda Overview: Most abundant and diverse of any group of animals on Earth; over 1,000,000 spp. known. Eucoelomate protostomes, organ-system level of development. Exoskeleton of chitin (nitrogenous polysaccharide).
1 Arthropods Chapter 12 Taxa as a percentage of life on Planet Earth insects flowing plants algae, fungi & ferns non-insect arthropods other invertebrates vertebrates bacteria & protozoa Phylum Arthropoda " Most successful Phylum " Over 2,000,000 species known " Our worst pest & valuable helpers "
animals on the planet are the arthropods. They have conquered land, sea and air, and make up over three-fourths of all currently known living and fossil organisms, or over one million species in all.
Arthropods are the most diverse group of organisms on our planet and the tropical rainforests represent the most biologically diverse of all ecosystems.