Tube Feet on a Sea Star: A Reflective Look

Where do the tube feet on a live sea star extend from on the test?

a. Podiums

What are these areas homologous to on a sea star?

b. Other areas on the test

Answer:

The tube feet on a live sea star extend from podiums on the test, which are homologous to the areas on the test.

As we delve into the fascinating world of sea stars, one cannot help but be intrigued by the intricate workings of their tube feet. These tube feet play a crucial role in the sea star's movement and feeding mechanisms.

When observing a live sea star, one may wonder where these tube feet originate from on the test, the hard, calcified shell of the sea star. The tube feet actually extend from small pores called podiums on the test.

These podiums on the sea star's test are homologous to the areas on the test itself. They serve the function of extending the tube feet to the outside, allowing the sea star to move and feed effectively.

Therefore, the tube feet on a live sea star extend from the podiums on the test, and these podiums are homologous to the areas on the test itself. This intricate system showcases the amazing adaptation and design found in sea stars.