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liraira [26]
3 years ago
12

Which of the listed relationships between groups is correct?

Biology
1 answer:
iren [92.7K]3 years ago
7 0

Answer:

A. Chelicerates are a group of arthropods

E. Sea urchins are a group of echinoderms

B. Gastropods are a group of mollusks

Explanation:

Chelicerates are primitive arthropods having 6 pairs of appendages. 1 oral appendage used for feeding and lack actual mouth parts for chewing up "suck up predigested food". Cephalothorax is the largest and Abdomen contains gills.

Sea urchins are a group of echinoderms as they have spin skin , all marine and found in the bottom of the sea.

Gastropods are the largest and most varied group of molluscs. Gastropod means stomach footed, a typical gastropod is a coiled mass of organs enclosed in a dorsal shell, which rests on the foot having a head ans sensory structures on head and having an operculum.

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