Quiz 2 Flashcards
What class are horseshoe crabs a part of?
Class Chelicerata
Why are horseshoe crabs relevant to human health
Blood which contains LAL is used to test for the presence of toxins and bacterial infections in humans and helps develop vaccines
Under the abdomen of horseshoe crabs are operculum. What are the two functions of them and what is under them?
First set cover genetal pores used for reproduction while the posterior plates cover 5 sets of book gills used for respiration
What is a respiratory structure found in chelicerates that is similar in spiders
book lungs that are similar to book gills. Lungs are internal while gills are exposed to the environment directly
What lives on the skin of humans
Face mites that commonly live in pores and among hair folicles
What about the gills of chelicerates make it ideal for gas exchange
High surface area to volume ratio
What are the two ways that crustaceans swim around
tail flapping and swimmerets
What are 3 differences between millipede and cenitpede
cenitpede have one leg per segment, have less segments, and are dorsoventally flattened while milipede are round, have two legs per segment, and have more segements
What are the main mechanisms that insects use to avoid hybridization with similar species
Lock and key that requires parts to fit together, use of pheremones to detect specific mates, and mating rituals
How does a waxy outer cuticle and the ability to fly allow insects to be successful
Outer waxy cuticle prevents deccication while flying helps evade predators and occupy a new niche
What are the common names of lepidoptera and major characteristics of them?
Butterflies and moths characterized by flattened hairlike scales that cover their bodies and wings
What are the common names of hymenoptera and major characteristics of them?
Wasps, bees, ants characterized by hindwings connected to forewings by a series of hooks
What are the common names of coleoptera and major characteristics of them?
beetles characterized by forewings that are hardened into a wing-case which covers their hindwings
What are the common names of diptera and major characteristics of them?
flies characterized by hindwings that have evolved from flight and are used as a sensory organ to allow for advanced flight maneuvers
What specialized feeding structure allows snails to scrape food off of hard surfaces, unqiue to mollusks
radula: tiny teeth that move back and forth attached to a ribbon like organ
