Which of the following are methods of respiration found in phylum arthropoda?
select one:
a. tracheae
b. gills
c. book lungs
d. all of the above

b - the respond is innate and varies over time.

good luck!

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".