Bio 112 Lab test (spiders)
Terms
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- 1st hole is the mouth in a _________
- protostomes
- annelids, mollusca, and arthropods are considered... protostomes or deuterostomes
- protostomes
- 1st hole is the anus is______________
- deuterostomes
- What 3 animal phyla are considered deuterostomes
- echinoderms hemichordata chordata
- Protostomes and deuterostomes are _____________
- coelomates
- coelomates possess a _____
- coelom = body cavity
- What phylum are the annelids in
- phylum annelida
- What phylum are the mollusks in
- phylum mollusca
- What class are the Oligochaetes in
- Class Oligochaeta (OLIGO= few, CHAETES = bristles)
- What class are the polychaetes in
- Class polychaeta
- What class are the leeches in
- Class Hirudinea
- Leeches are in what phylum
- Phylum Annelida
- What phylum are the oligochaetes and polychates in
- Phylum Annelida
- Bivalves are in what class
- Class Bivalvia
- What phylum are bivalves in
- mollusca
- What class are snails, slugs, and nudibranches in
- class gastropoda (gastro=gut) PHYLUM MOLLUSCA
- What class and phylum are squids, octopus, nautiluses in
- Class CEPHALOPODA PhylumMollusca
- Arthropods are in what phylum
- phylum arthropoda
- Crustaceans are in what phylum
- phylum arthropoda
- insects are in what phylum
- phylum arthropoda
- Centipedes and Millipedes are in what phylum
- phylum arthropoda
- Spiders, horseshoe crabs, scorpions, ticks are in what phylum
- phylum arthropoda
- What type of circulatory system does the annelids have
- closed
- Annelids were the first animals to evolve________ (which is EXTERNAL AND INTERNAL)
- segmentation
- Compartments within each segments (in coelom) is called
- Septa
- Septa is lined with
- peritoneum
- a fleshy, segmental outgrowth on polychaetes is called
- parapodia
- How do leeches ensure the continued blood flow on their host?
- The secrete an anticoagulant into the wound to prevent clotting
- What kind of symmetry does molluscans have
- head and unique body plan, gut (complete)
- What kind of circulatory system does molluscans have
- open
- 2 characteristics that distinguish mollusks
- a ventral, muscular foot mantle
- What type of digestive system does molluscans have
- complete
- What is the oldest part of the valve in a mussel
- umbo
- What part of the mussel secretes the shell
- mantle
- What is a glochidium?
- larvae of a bivalve
- Where does the glochidium spend their first few months of life
- in the gills of the bivalve
- What is a slime gland ( In snails)
- the front of the foot that secretes mucous
- Many snails exhibit PHOTOTAXIS. What is that
- when an entire organism tends to move in relation to light
- What is the purpose of the radula (in snails)
- tongue-like ....used to obtain food
- What is the function of the siphon on a squid
- to move the squid around
- What is the support structure in the body of the arthropods
- exoskeleton of chitin
- What is chitin
- a structural polysacchride
- The body of arthropods are divided into 3 regions. what are they called
- head thorax abdomen
- The coelom of the arthropod is filled with blood, or ___________ and is connected to a(n) circulatory system
- hemolymph open
- The hard protective layer of exoskeleton in crustaceans is called
- carapace
- Insects were the 1st to
- fly
- the tiny openings into the trachea are called ________ (in grasshoppers)
- spiracles
- What is compound eyes made up of
- 3 simple eyes
- What are the simple eyes called
- ocelli
- a pair of legs used for killing prey in centipedes and millipedes
- poison claws
- How many legs are per segment on the centipedes
- 1
- How many legs per segment are per millipede
- 2
- The spiders body consist of ______________ and ________________
- cephalothorax abdomen
- Which pair of appendages in spiders bears the fangs
- the first pair