Sea Star Review Flashcards
(20 cards)
What does the Respiratory System do for the sea star?
Transports food and oxygen for the cells
What does the Digestive System do for the sea star?
Breaks down food and absorbs nutrients
What does the Circulatory System do for the sea star?
Absorbs oxygen for cell respiration and gets rid of carbon dioxide
What does the Movement System do for the sea star?
Moves the body
What does the Reproductive System do for the sea star?
Makes new offspring or organisms
What does the Nervous System do for the sea star?
Sends messages around the body
What does the Water Vascular System do for the sea star?
Helps them move and catch food
What organs are in the Digestive System?
Mouth, Digestive Glands, Stomach, and Anus
What organs are in the Respiratory System?
Skin
What organs are in the Circulatory System?
Skin and Water Vascular System
What organs are in the Movement System?
Tube Feet
What organs are in the Nervous System?
Eyespot
What organs are in the Water Vascular System?
Madreporite, Radial and Ring Canal
What does Echinoderm mean?
Invertebrates that have an internal skeleton and fluid filled tubes called the water vascular system
What kind of symmetry does a sea star have?
Radial Symmetry
What happens when a sea star regenerates a body part?
It grows a new body part
What kind of reproduction is regeneration?
Asexual
What is the function of a sea star’s eyespot?
It senses light
What body systems are encompassed in the water vascular system?
Respiratory and Circulatory System
How does the water vascular system work to keep the sea star alive?
Since the sea star’s circulatory system uses ocean water instead of blood, The water vascular system extends its fluid filled tubes from the stomach to the arms to transport nutrients. The sea star doesn’t have a heart so the water vascular system provides oxygen throughout the sea star’s body
