Which of the following is not a feature common to most animals?

1. development into a fixed body plan
2. asexual reproduction
3. specialized tissues
4. heterotrophic nutrient sourcing

Which of the following does not occur?

1. radially symmetrical diploblast
2. diploblastic eucoelomate
3. protostomic coelomate
4. bilaterally symmetrical deuterostome

The large central opening in the poriferan body is called the _____.

1. emmule
2. picule
3. stia
4. osculum

Cnidocytes are found in _____.

1. phylum Porifera
2. phylum Nemertea
3. phylum Nematoda
4. phylum Cnidaria

Cubozoans are ________.

1. polyps
2. medusoids
3. polymorphs
4. sponges

Which group of flatworms are primarily external parasites of fish?

1. monogeneans
2. trematodes
3. cestodes
4. turbellarians

Crustaceans are _____.

1. ecdysozoans
2. nematodes
3. arachnids
4. parazoans

A mantle and mantle cavity are present in _____.

1. class Oligochaeta
2. class Bivalvia
3. class Polychaeta
4. class Hirudinea

Annelids have a _____.

1. pseudocoelom
2. a true coelom
3. no coelom
4. none of the above

Echinoderms in their larval state have _____.

1. triangular symmetry
2. radial symmetry
3. hexagonal symmetry
4. bilateral symmetry

The circulatory fluid in echinoderms is _____.

1. blood
2. mesohyl
3. water
4. saline

Which of the following is not a member of the phylum Chordata?

1. Cephalochordata
2. Echinodermata
3. Urochordata
4. Vertebrata

Members of Chondrichthyes differ from members of Osteichthyes by having a ________.

1. jaw
2. bony skeleton
3. cartilaginous skeleton
4. two sets of paired fins

Squamata includes _____.

1. crocodiles and alligators
2. turtles
3. tuataras
4. lizards and snakes

Sudoriferous glands produce ________.

1. sweat
2. lipids
3. sebum
4. milk

Which of the following is a Monotreme?

1. kangaroo
2. koala
3. bandicoot
4. platypus