The mechanism of attachment of sea star tube feet to the substrate. Concept introduction : Sea star is a marine animal that belongs to the Phylum Echinodermata. Sea star is commonly known as star fish due to its resemblance to star. Echinoderms are marine animals with the radially symmetrical body. They are deuterostomes (organisms in which blastopore forms anus). The body of sea star and other echinoderms possess a central disc with projected arms (usually five in number). All echinoderms possess a water vascular system that helps them in locomotion, respiration and food acquisition. Tube feet are components of water vascular system that helps in locomotion. Each tube foot comprises a podium and an ampulla.

Question

Want to see the full answer?

Answer 1

Question

Chapter 33.5, Problem 1CC

Summary Introduction

To describe: The mechanism of attachment of sea star tube feet to the substrate.

Concept introduction:

Sea star is a marine animal that belongs to the Phylum Echinodermata. Sea star is commonly known as star fish due to its resemblance to star. Echinoderms are marine animals with the radially symmetrical body. They are deuterostomes (organisms in which blastopore forms anus).

The body of sea star and other echinoderms possess a central disc with projected arms (usually five in number). All echinoderms possess a water vascular system that helps them in locomotion, respiration and food acquisition. Tube feet are components of water vascular system that helps in locomotion. Each tube foot comprises a podium and an ampulla.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Humans consider themselves amazingly clever and innovative, constantly developing "new" ways of altering the world around us. As material consumption has increased, many have turned to the ideas of recycling and reuse as a means to minimize some negative aspects of our modern consumerism. Mother Nature though is the ultimate innovator and, more importantly, the ultimate recycler.

H gene assorts independently from the I gene. Both on autosomes. One man and one woman, both of HhIAIB genotype. Determine the blood type of progeny and fractions out of 16

Alleles at the P locus control seed color. Plants which are pp have white seeds, white flowers and no pigment in vegetative parts. Plants which are P_ have black seeds, purple flowers and may have varying degrees of pigment on stems and leaves. Seed color can be assessed, visually, based on if the seed is white or not white A gene for mold resistance has been reported and we want to determine its inheritance and whether it is linked to P. For the purposes of this exercise, we will assume that resistance is controlled by a single locus M, and M_ plants are resistant and mm plants are susceptible. Resistance can be measured, under greenhouse conditions, 2 weeks after planting, by injecting each seedling with a spore suspension. After two weeks, the seedlings can be rated as resistant or susceptible, based on whether or not tissue is actively sporulating. For this exercise we will use seed and data from the F10 generation of a recombinant inbred population produced using single seed…