Answer:
Sensing danger and sweating
<em>it would be b and c</em>
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<em>it's the whole ''ecosystem''</em>
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Insects, arachnids, and crustaceans
Insects have 3 body segments. (head, thorax, abdomen)
Have a hard exoskeleton made of chitin.
Appendages be used for feeding, defense, sensory and reception.
Invertebrate phyla that obtains oxygen by using gills (marine) or air tubes (terrestrial.)
Use pincers and stingers as attack weapons to defend themselves
Characterized by having jointed legs, segmented bodies, and sometimes wings
C would be the best choice
Dark occur in the stroma, and do not use light energy