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WorksheetsKINGDOM ANIMALIA: PHYLUM CNIDARIA
Total questions: 15
Worksheet time: 15mins
How many cell layers do cnidarians have?
0
1
2
3
True or False: Cnidarians do not have a central nervous system.
True
False
How do cnidarians absorb oxygen from the water and expel carbon dioxide?
Through their tentacles
Through diffusion
By using their nematocysts
By using their respiratory organs
How do cnidarians reproduce?
Only sexually
Only asexually
Both sexually and asexually
Genetically reproduced in labs
Based on their diet, cnidarians are _____.
herbivores
omnivores
carnivores
photosynthetic
What part of a cnidarian's body allows them to capture/kill their prey?
The epidermis
The polyp
The nematocysts
The nerve net
What type of symmetry do cnidarians demonstrate?
Bilateral symmetry
Radial symmetry
What life stage follows directly after the planula larva stage?
The zygote stage
The young medusa stage
The bastula stage
The polyp stage
True or False: Cnidarians generally undergo two life stages: a polyp stage and a medusa stage
True
False
What body type does this cnidarian possess?
Polyp
Medusa
What body type does this cnidarian posses?
Polyp
Medusa
How do Hydra reproduce?
binary fission
sexual reproduction
regeneration
budding
