Segmentation Is the Subdivision of the Body into Segments or Metameres.True

question 51

Multiple Choice

Segmentation is the subdivision of the body into segments or metameres.True segmentation is found in which of the following phyla selections?

• A)Annelida,Mollusca,Arthropoda
• B)Echinodermata,Platyhelminthes,Cnidaria
• C)Mollusca,Chordata,Annelida
• D)Arthropoda,Chordata,Porifera
• E)Arthropoda,Annelida,Chordata

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Definitions:

Purely Competitive

A purely competitive market is characterized by many buyers and sellers, homogeneous products, and no barriers to entry or exit, leading to price taking behavior by firms.

Economic Profit

The difference between a firm's total revenues and its total costs, including both explicit and implicit costs, as opposed to accounting profit which only subtracts explicit costs.

Purely Competitive

A market structure characterized by a large number of sellers and buyers, homogeneous products, and no barriers to entry or exit.

Short-run Supply Curve

Represents the relationship between price and quantity supplied over a short period, assuming some inputs are fixed.