Classification

question 132

Essay

Classification.Answer the questions in reference to the five animal groups listed below.
a.sponges
b.cnidarians
c.flatworms
d.roundworms
e.annelids
-Members of this group have a brain with a ventral nerve cord,a complete gut,and they lack a circulatory system that is usually closed.

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Definitions:

Slot Welds

Welds made in an elongated hole in one member of a joint fusing it to another member, typically used to transfer shear loads.

Weld Symbol

A standardized figure used in blueprints and technical drawings to specify the type, size, and other details of a weld.

Spot Weld

A type of weld where two or more pieces of metal are joined by applying pressure and heat to a small point.

Center-to-center Spacing

The measure of distance between the center points of two features, such as holes, pins, or fixtures, critical for alignment in designs.