Biodiversity Kingdom Animalia

Which of the following is (are) unique to animals?

• the structural carbohydrate, chitin

• nervous system signal conduction and muscular movement

• heterotrophs

• flagellated gametes

Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy is that most animals derive their nutrition by _____.

• preying on animals

• consuming living, rather than dead, prey

• ingesting

• using enzymes to digest their food

Which of the following would you classify as something other than an animal

• Sponges

• Coral

• Jellyfish

• Dinoflagellates

The last common ancestor of all animals was probably a _____.

• unicellular chytrid

• multicellular algae

• multicellular fungus

• flagellated protist

Which tissue type, or organ, is NOT correctly matched with its germ layer tissue?

• nervous — mesoderm

• muscular — mesoderm

• stomach — endoderm

• skin — ectoderm

What do all deuterostomes have in common?

• Adults are bilaterally symmetrical.

• Embryos have pharyngeal pouches that may or may not form gill slits.

• All have a spinal column.

• The pore (blastopore) formed during gastrulation becomes the anus.

Which of the following is most likely to be aquatic?

• suspension feeder

• mass feeder.

• deposit feeder

• fluid feeder

In terms of food capture, which sponge cell is most similar to the cnidocyte of a cnidarian?

• amoebocyte

• choanocyte

• Spicules

• Osculum

Which structure do sea slugs use to feed on their prey?

•  nematocysts

• an incurrent siphon

• a radula

• a mantle cavity

Which one of these mollusk groups can be classified as suspension feeders?

• bivalves

• gastropods

• chitons

• cephalopods