if you were to construct a phylogeny for all vertebrates in North America, the presence of feathers would be considered ____________ for birds. none of the options are correct homoplastic symplesiomorphic synapomorphic parsimonius Which of the following does not represent a density-dependent factor of population regulation? competition for resources crowding forest fire disease outbreak none of the options are correct
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.
if you were to construct a phylogeny for all vertebrates in North America, the presence of feathers would be considered ____________ for birds.
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none of the options are correct |
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homoplastic |
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symplesiomorphic |
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synapomorphic |
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parsimonius |
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Which of the following does not represent a density-dependent factor of population regulation?
competition for
resources crowding
forest fire
disease outbreak
none of the options are correct
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