ANSWER :
Ancistrus is a genus of nocturnal freshwater fish in the family Loricariidae of order Siluriformes, ... Historically, commonly available species of Ancistrus were Ancistrus cirrhosus and Ancistrus temminckii; other species are now available, though .
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A system in dynamic equilibrium will have small changes that sum together to produce no net change. Dynamic equilibrium is different from a static equilibrium, in which the parts do not move once they've reached equilibrium.
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Option C, shared DNA sequences
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Complete question -
What evidence suggests that vertebrates are more closely related to echinoderms than are any other invertebrate phyla?
- shared patterns of development
- shared morphology
- shared DNA sequences
Solution
Vertebrates have true backbone while invertebrates lack true backbone. Among the invertebrates, the echinoderm phylum is closely related to vertebrates as the echinoderm possesses notochord (similar to backbone) during their early stage development which disappears later.
Through the genomic sequence studies it has been found that echinoderms are similar to vertebrates in many ways. Echinoderms have diverged from deuterostomes along with human and hence pose some genetic similarity which can be devised through study of common DNA sequences
Hence, option C is correct
<h2>Morphogenesis </h2>
Explanation:
Thalidomide are now not taken by women who are pregnant or who could become pregnant
Thalidomide was used as sedative by women in early 1960s and even a single dose of thalidomide taken during pregnancy can cause severe birth defects (physical problems present in the baby at birth) or death of the unborn baby
Morphogenesis is associated with development of shape and since use of thalidomide leads to limb and organ deformities, it influences the morphogenesis of children
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its needles this awnser is right on mine.
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