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Explain why arthropods are considered to be the most successful phylum of animals.
Fossil evidences show that they are the longest living animal phylum on land
More variety/numbers than any other phylum
Found in the widest range of habitats of any other phylum
Give five characteristics of arthropods.
Segmented body, exoskeleton, jointed appendages, ventral nerve cord, coelomates, protosomes, open circulation, cephalized, bilaterally symmetrical.
Discuss the impact that insects have on humans.
Vectors for disease (mosquitos and malaria), cause damages (carpenter ants), pollinators, provide materials (honey and silk)
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