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Subjects
Science State Board
Class 7
Basis of classification
The classification of organisms
16.
Choose all that best ones related to porifera, coelentrata, annelida and arthropoda
Exercise condition:
4
m.
Multiple choice questions
:
1.
Identify the organisms that are externally covered by a rigid skeleton made of spicules.
Spongilla
Leucosolenia
Hydra
Aurelia
2.
Which of these animals have jointed legs?
Spiders
Leeches
Earthworms
Cockroaches
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