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
1.b
2. a
3.c
4. d
5. e
6. j
7. h
8. i
9. f
10 g
Well, it helps us categorize organisms so we can more easily communicate biological information. Taxonomy uses hierarchical classification as a way to help scientists understand and organize the diversity of life on our planet.
