B
A. echinoderms
crustaceans
Cachnids
Dinsect
to what subgroup of arthropods do invertebrates with four pairs of legs belong?
7. They are characterized as marine animals with spiny endoskeleton. They have
water vascular syslen, lube Teel and radial symmetry as adult. Which group of
invertebrates is being described?
A mollusks
B. echinoderms
C. Cnidarians
D. annelids
8. They have no tissue. Ito organ, and must have no symmetry. A sponges
Bechinoderms
C. crudarians
T. 9nnclids
9. Which group of invertebrates is divided into segments with a ririged appearance?
A sponges
B. echinoderms
Cnidarians
D. annelids
10 Animals such as vertebrates and invertebrates have economic importance. They
are sources of food. mcdicinc and scientific investigations How will you show
that you care and protect these animals in their environment? A. We don't need
to strictly implement wildlife regulations.
B. We must have them lived in our houses.
C. We have lo establish reserve wildlife refuge areas where birds and
animals may breed without being killed by man. D. Hunting activities
muist be practiced.​