Asked by Elizabeth Jones on Jul 25, 2024
Verified
Which statement about echinoderms is inaccurate?
A) The exoskeleton is made up of bony tissue.
B) Gas exchange occurs through gills on the skin.
C) Larvae are free-swimming and bilaterally symmetrical.
D) A water vascular system allows the tube feet to produce suction.
E) Symmetry is radial in the adult, usually with parts in fives or multiples of five.
Water Vascular System
A unique hydraulic system used by echinoderms, such as starfish, for locomotion, food and water transportation, and respiration.
Exoskeleton
A rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.
Bony Tissue
Hard tissue that makes up the skeletal bones in vertebrates, providing support, protection, and enabling mobility.
- Identify and explicate the characteristic features and life spans of major animal phyla.
- Gain familiarity with the special traits of specific groups of animals (such as echinoderms, arthropods) and their significance in the field of biology.
Verified Answer
J0
justme 020400Jul 28, 2024
Final Answer :
A
Explanation :
The exoskeleton of echinoderms is made up of calcium carbonate, not bony tissue.
Learning Objectives
- Identify and explicate the characteristic features and life spans of major animal phyla.
- Gain familiarity with the special traits of specific groups of animals (such as echinoderms, arthropods) and their significance in the field of biology.