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Tissue of mesodermal origin is found in animals with embryo development that is...Question 17Select one:a.pseudocoelomateb.deuterostomec.diploblasticd.triploblastice.acoelomate

Question

Tissue of mesodermal origin is found in animals with embryo development that is...Question 17Select one:a.pseudocoelomateb.deuterostomec.diploblasticd.triploblastice.acoelomate

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Solution

The correct answer is d. triploblastic.

Here's why:

Embryonic development in animals involves the formation of layers. These layers are known as germ layers and they give rise to all the tissues and organs of the animal's body.

There are three types of germ layers: ectoderm, mesoderm, and endoderm.

  1. Ectoderm: It is the outermost layer and it develops into the skin and nervous system.
  2. Mesoderm: It is the middle layer and it develops into muscles, bones, and circulatory system.
  3. Endoderm: It is the innermost layer and it develops into the digestive system and respiratory system.

Animals that develop from three germ layers (ectoderm, mesoderm, and endoderm) are known as triploblastic animals. Therefore, tissues of mesodermal origin are found in triploblastic animals.

On the other hand, diploblastic animals only have two germ layers (ectoderm and endoderm), and pseudocoelomate, deuterostome, and acoelomate are terms that describe different aspects of an animal's body plan or development, but they do not specifically relate to the presence of mesodermal tissue.

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