Metanephridia Differ from Protonephridia in All of the Following Ways

question 90

Multiple Choice

Metanephridia differ from protonephridia in all of the following ways EXCEPT that:

• A)the urine produced in both systems is more dilute than the body fluids.
• B)metanephridia are surrounded by an extensive capillary network, whereas protonephridia are not.
• C)selective reabsorption of materials occurs via cells lining the tubules in protonephridia and via capillaries in metanephridia.
• D)fluid enters metanephridia through a funnel-shaped opening.
• E)fluid from the body cavity enters protonephridia without first being filtered.

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Definitions:

Complex Cortical Cells

Neurons within the brain's cortex that respond to the orientation and movement of edges in a particular direction, integral to visual processing.

Simple Cortical Cells

Neurons in the visual cortex that respond best to edges and bars of light with a specific orientation, playing a fundamental role in visual processing.

Hypercomplex Cortical Cells

Neurons in the visual cortex involved in processing complex visual stimuli, such as the movement and length of objects.