Academics - Science - Zoology

order of insects that are “true bugs”

• hymenoptera

• hemiptera

• siphonura

• coleoptera

Some birds ingest small rocks and pebbles to aid in the function of this organ. What muscular organ of birds grinds food for digestion?

• cecum

• crop

• gizzard

• gullett

flies typically have between 3000 and 6000 subunits that make up each eye. What are these facets of a compound eye?

• ocelli

• halteres

• rods

• ommatidia

Also called “sea squirts,” tunicates are invertebrate marine organisms that have a dorsal nerve cord and pharyngeal pouches much like vertebrate animals. To what phylum do tunicates belong?

• chordata

• arthropoda

• cnidaria

• echinodermata

which class of vertebrates have a two chambered heart?

• aves

• reptile

• osteichthyes

• amphibia

Salamanders, as well as some lizards, often perform highly choreographed mating dances before copulation. What term refers to this “loveplay” dance?

• backbrooding

• zeitgeist

• liebesspiel

• lekking

Tapeworms are parasitic flatworms within phylum platyhelminthes. To what class to tapeworms belong?

• turbellaria

• trematoda

• anthozoa

• cestoda

symbiosis refers to any close association between different species. Which form of symbiosis occurs when one organism negatively affects the second species, but gains no benefit from this interaction?

• parasitism

• commensalism

• amensalism

• parasitoidism

mollusks are characterized by having a mantle, a visceral mass, and the presence of a rasp-like tongue used in feeding. What term is given for this feeding device?

• radula

• hemocoel

• ommatidium

• chelicera

which of the following tropisms is the response to touch or contact stimuli?

• thigmotropism

• geotropism

• phototropism

• gravitropism