
The Living World 8th Edition by George Johnson
النسخة 8الرقم المعياري الدولي: 978-0078024214
The Living World 8th Edition by George Johnson
النسخة 8الرقم المعياري الدولي: 978-0078024214 تمرين 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
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
التوضيح
Skeletal systems provide the framework m...
The Living World 8th Edition by George Johnson
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