expand icon
book The Living World 8th Edition by George Johnson cover

The Living World 8th Edition by George Johnson

Edition 8ISBN: 978-0078024214
book The Living World 8th Edition by George Johnson cover

The Living World 8th Edition by George Johnson

Edition 8ISBN: 978-0078024214
Exercise 9
Which of the following animals has a hydraulic skeleton?
A) crustacean
B) sea urchin
C) sea star
D) jellyfish
Arthropods move when muscles that are attached to the _______ contract.
A) endoskeleton
B) exoskeleton
C) bony plates
D) cellulose cell walls
Which of the following does not have an endoskeleton?
A) coyote
B) mollusk
C) sand dollar
D) frog
Explanation
Verified
like image
like image

Skeletal systems provide the framework m...

close menu
The Living World 8th Edition by George Johnson
cross icon