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Which statement is true of at least some arthropods other than arachnids?Select one:a. They have no antennae

b. Spiders and scorpions are examples of arachnids

c. They have three body parts

d. They have fours pairs of walking legs

e. Some are parasitic and some are predators


What type of organisms have a mouth that appears at or near the blastopore?

Select one:

a. acoelomates

b. deuterostomes

c. pseudocoelomates

d. coelomates

e. protostomes


To what phylum do humans belong?

Select one:

a. Echinoderms

b. Arthropods

c. Chordates

d. Cnidarians

e. Annelids


What is the mode of locomotion for echinoderms?

Select one:

a. nephridia

b. flame cells

c. radula

d. notochord

e. water vascular system

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