WorksheetsTHE LOWER INVETEBRATES
Total questions: 20
Worksheet time: 8mins
Flatworms and Round worms have bilateral symmetry
True
False
Flatworms support their shape with three tissue layers but don't have any kind of skeleton.
True
False
The Cnidarian stinging cell is called:
collar cell
cnidocyte
amoebocyte
Phylum Porifera includes the
"stinging cells"
"Tentacles"
"Cleaners"
"Sponges"
Sponges, Jellies, Flatworms and Roundworms all get their oxygen through:
simple diffusion
gills
lungs
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How many openings do Cnidarians have to their Gastrovascular Cavity?
one
two
three
four
Porifera
Cnidaria
Platyhelmentyes
Nematoda
Flatworms and Roundworms both have:
radial symmetry
a gastrovascular cavity
cephalization
A flatworm that produces both egg cells and sperm cells is called a:
hermaphrodite
gastrovascular cavity
parasite
Nematode
Some worms live in or on a host - and do harm to that host. They are:
hermaphrodites
vertebrates
parasites
asymmetrical
