In the traditional phylogeny (A), the phylum Platyhelminthes is depicted as a sister taxon to the rest of the protostome phyla, and as having diverged earlier from the lineage that led to the rest of the protostomes. In the molecular phylogeny (B), Platyhelminthes is depicted as a lophotrochozoan phylum. What probably led to this change?
The removal of the acoel flatworms (Acoela) from the Platyhelminthes allowed the remaining flatworms to be clearly tied to the Lophotrochozoa. T/F
Answers: 3
Biology, 21.06.2019 19:50
Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?
Answers: 3
Biology, 22.06.2019 00:00
Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.
Answers: 1
Biology, 22.06.2019 15:30
The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old
Answers: 2
In the traditional phylogeny (A), the phylum Platyhelminthes is depicted as a sister taxon to the re...
Arts, 14.01.2021 22:40
Chemistry, 14.01.2021 22:40
Spanish, 14.01.2021 22:50
Health, 14.01.2021 22:50
Mathematics, 14.01.2021 22:50
Biology, 14.01.2021 22:50
Biology, 14.01.2021 22:50
History, 14.01.2021 22:50