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A: Chordates are characterized by notochord, dorsal hollow nerve cord and paired pharyngeal hill slits.…
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A: The above diagram is called phylogenetic tree. Phylogenetic tree show the evolutionary relationship…
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Animal Diversity
Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.
Platyhelminthes
Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.
Which terrestrial vertebrate group is extremely rare in deserts?
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- What are Hox Genes and how to they contribute to the creation of a variety of animal body morphology? Describe Phylum Porifera. What are the distinguishing characteristics and which organisms belong here? Explain the three main levels of Biodiversity. Describe the main threats to biodiversity caused by humans. Describe the ways humans attempt to conserve biodiversity of landscapes and regions?Why are larger animals found in cooler environments?Are there aquatic andflying mammals?
- To what subphylum does this animal belong? Chordata Vertebrata Agnatha Gnathostomata ElasmobranchiiWith continued global warming, what dispersal barriers might arise for reptiles that try to move to higher latitudes?Why are Tuataras not grouped together with the lizards? What morphological character separates them?