Members of the subphylum ___________ are entirely extinct and have a body divided into three longitudinal lobes.
Trilobitomorpha
Chelicerata
Crustacea
Hexapoda
Myriapoda
Blind-ending diverticula of the gut tract that absorb nitrogenous waste materials from the blood and empty them into the gut tract are called
coxal glands.
sensilla.
Malpighian tubules.
tracheae.
Daddy longlegs are spiders.
True
False
Members of the subphylum _________ are characterized by having two pairs of antennae and biramous appendages.
Trilobitomorpha
Chelicerata
Crustacea
Hexapoda
Myriapoda
The appendages of a crayfish (except the first antennae) are said to be ________________. This term means that crayfish appendage structure is based on a similar ancestral pattern, and appendages have similar development in the segments of the crayfish body.