-In the Above Illustration of Fluid Regulation in a Planarian

question 57

Multiple Choice

-In the above illustration of fluid regulation in a planarian, the letter "A" represents which of the following?​

• A) ​nucleus of the flame cell
• B) ​small capillaries that allow water to freely diffuse into the planarian
• C) ​sexual reproductive organ
• D) ​cilia to draw fluid into the planarian
• E) ​funnel to collect fluid

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Definitions:

Angular Unconformity

A geological feature where newer layers of sediment or rock rest upon older layers that have been tilted or folded, indicating a significant change in depositional environments.

Rocks Folded

refers to the bending and curving of rock layers under pressure, without the layers breaking.

Flat-lying Layers

Horizontal strata of sedimentary rock that have not been significantly tilted or disturbed since their deposition.

Disconformity

An unconformity in which the bedding planes above and below the break are essentially parallel, but the unconformity surface records erosion or some other interruption in the deposition of layers.