Unit 4: Echinoderms, and Arthropods
Flashcard
•
Science
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of circulatory system do arthropods have?
Back
Open circulatory system.
2.
FLASHCARD QUESTION
Front
What does the phylum name Echinodermata mean?
Back
Spiny Skin.
3.
FLASHCARD QUESTION
Front
What is the carapace in a fiddler crab?
Back
The hard outer shell that covers the crab's body.
4.
FLASHCARD QUESTION
Front
What is the water vascular system in echinoderms?
Back
A system of fluid-filled channels and tubes used for movement and feeding.
5.
FLASHCARD QUESTION
Front
What are antennules in crayfish?
Back
Shorter sensory appendages used for touch and taste.
6.
FLASHCARD QUESTION
Front
What is the main characteristic of arthropods?
Back
They have an exoskeleton made of chitin.
7.
FLASHCARD QUESTION
Front
What are the four main classes of arthropods?
Back
Insects, arachnids, crustaceans, and myriapods.
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