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WorksheetsInvertebrates
Total questions: 12
Worksheet time: 7mins
Which of these belongs to superphylum Lophotrochozoa?
Mollusca
Chordata
Nematoda
Arthropoda
Tapeworms and liver flukes are _______.
coelomate
pseudocoelomate
acoelomate
multicoelomate
Arthropods are in the clade _______.
Ecdysozoa
Eumetazoa
Bilateria
All of these!
Which of these is NOT true of sponges?
They belong to phylum Porifera.
They lack true tissues.
They are diploblastic.
They are asymmetrical.
Which embryonic tissue layer is NOT found in all eumetazoans?
Ectoderm
Mesoderm
Endoderm
Which of these phyla shows radial symmetry?
Porifera
Mollusca
Platyhelminthes
Cnidaria
Which of these phyla has an incomplete gut?
Arthropoda
Nematoda
Syndermata
Platyhelminthes
Which of these phyla is pseudocoelomate?
Platyhelminthes
Nematoda
Syndermata
Annelida
Which of these phyla has an open circulatory system?
Mollusca
Platyhelminthes
Arthropoda
Annelida
Which of these phyla does NOT show segmentation?
Annelida
Mollusca
Arthropoda
Chordata
Which of these is a feature of protostomes?
Spiral cleavage
Radial cleavage
Posterior gastrulation
A coelom
Which of these is universal within the Bilateria?
Triploblasty
A coelom
A layer of muscle around the gut
Segmentation
