The correct order for layers of ectoskeleton from outside to inside is
A) endocuticle-epicuticle-exocuticle.
B) endocuticle-exocuticle-epicuticle.
C) exocuticle-endocuticle-epicuticle.
D) epicuticle-exocuticle-endocuticle.
E) exocuticle-epicuticle-endocuticle.
Correct Answer:
Verified
Q7: Spider silk
A)is very strong but cannot be
Q8: What makes the shell of a lobster
Q9: Arthropods are successful because they have
A)a very
Q10: Chelicerate arthropods possess
A)pedipalps.
B)antennae.
C)mandibles.
D)three pairs of walking legs.
E)All
Q11: The excretory system of insects and spiders
Q13: Sea spiders
A)are extinct.
B)feed on fluids of soft-bodied
Q14: Eurypterids
A)resembled insects.
B)are extinct.
C)are called sea spiders.
D)were very
Q15: Spiders and insects have an excretory system
Q16: A male spider inseminates a female spider
Q17: Spiders breathe by means of
A)gills.
B)diffusion across the
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