Actually, this topic is continued from what you had learned in lower form. To know your level understanding, let's try this task!
1. What are the three types of skeletons in multicellular animals?
A hydrostatic skeleton, external exoskeleton and internal endoskeleton
B hydrotropism skeleton, external exoskeleton and internal endoskeleton
C hyrostatic skeleton, internal exoskeleton and external endoskeleton
D hydrotropism skeleton, internal exoskeleton an external endoskeleton
2. What problems are faced in support and locomotion?
A height, weight, and instability
B weight, friction force and instability
C height, gravitational pull and resistance force
D weight, position and enemy
3. Problems are faced in support and locomotion can be overcome by having skeleton system. Choose
one function of the skeleton.
A looking for food
B stores vitamin B
C produces blood cells
D ensure organism survivality
4. Which animal is supported by body fluids?
A crab
B earthworm
C grasshopper
D fish
5. Which type of muscle controls locomotion of fish?
A flexor
B extensor
C myotomes
D pectoralis
NOTE: Answer will given in the next post!
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