WorksheetsZoology, Porifera, Cnidaria
Total questions: 20
Worksheet time: 11mins
Toward the front of the body
Superior
Inferior
Posterior
Anterior
Toward the back of the body
Superior
Inferior
Posterior
Anterior
Which is the correct order of the taxonomy levels (from most broad to most specific)?
species, genus, family, order, class, phylum, kingdom, domain
domain, kingdom, phylum, class, order, family, genus, species
kingdom, domain, class, phylum, family, order, species, genus
species, phylum, kingdom, domain, order, class, family, genus
Which domain do ALL animals belong to
Archaea
Bacteria
Eukarya
Which is closer related, tiger & salamander or tiger & shark?
tiger & salamander
tiger & shark
Neither
Both
The large opening at the top of the sponge is called the
Osculum
Porocyte
Spicule
Spongocoel
Which of the following is NOT what a sponge skeleton can be made of?
Spongin
Calcium carbonate
Sodium chloride
Silica
Sponges can only reproduce asexually through fragmentation.
True
False
What type of symmetry do sponges (Porifera) have?
asymmetrical
radial
bilateral
both radial and asymmetrical
The hard "skeleton" structures in a sponge are called...
Spongin
Spicules
Amebocytes
Pinacocytes
What are the two modes of asexual reproduction observed in a sponge?
binary fission
budding
fragmentation
sexual reproduction
All animals in phylum Cnidaria demonstrate _____________.
radial symmetry
asymmetry
bilateral symmetry
irregular symmetry
In Cnidarians, where does digestion occur?
spongocoel
nematocyst
gastrovascular cavity
tentacles
A jellyfish is covered in an outer layer of cells called the epidermis. Within the epidermis is the ____________, which is the jelly-like interior of the animal.
mesoglea
gastrodermis
epidermis
coelom
Name this body type.
Polyp
Medusa
Name this body type.
Medusa
Polyp
Term for an animal that is attached and not free-swimming.
fixed
stable
sessile
stationary
What type of asexual reproduction is shown here?
binary fission
Fragmentation
Budding
Sexual reproduction
How do cnidarians reproduce?
only sexually
only asexually
both sexually and asexually
How old do Paleontologists believe the Earth is?
2022 years old
6,000 years old
3.6 billion years old
4.6 billion years old
