Lab 8/9 - Arthropoda (Quiz) Flashcards
Arthropods are _____blastic, _____stomes, and _____elomates
triploblastic, protostomes, eucoelomates
Arthropods are coelomates, but also…(2)
- have a reduced coelom
- have a hemocoel filled with hemolymph
Arthropods have a segmented body with _____
tagmata, tagmatization
Arthropods have an exoskeleton made of _____
chitin
Arthropods have what kind of circulatory system?
open
members of Chelicerata have what special respiratory structures? (2)
book gills or book lungs
members of Crustacea have what special respiratory structure?
just gills
what kind of digestive system do members of Arthropoda have?
compelte
what kind of digestion do members of Cirripedia have?
filter feeding
what kind of digestion do members of Chelicerata have?
some digestion is external
what special excretion structures do members of Crustacea have?
green glands
what special excretion structures do members of Arachnida have?
Malpighian tubules
what nerve structures do members of Arthropoda have? (2)
- ventral nerve cord
- ganglion
what is special about the muscular system of Arthropods?
they have striated muscles
tagmatization
a type of metamerism; specialization of several metameres to work together to perform a specific function
what is a tagmata?
a group of specialized metameres
ecdysis
process of removing the existing exoskeleton
what is the solution to e rigid exoskeleton?
to divide it into plates over the body
reproduction: Cirripedia
monoecious
reproduction: others
dioecious
development: Crustacea (2)
nauplius larva, indirect development
development: Merostomata
indirect development
development: Arachnida
direct development
five subphyla of Arthropoda
- Trilobitomorpha
- Chelicerata
- Crustacea
- Myriapoda
- Hexapoda
Subphylum Trilobitomorpha Class…
Trilobita (trilobites)
Subphylum Chelicerata Classes (2)
- Merostomata (horseshoe crabs)
- Arachnica (spides, ticks, mites, scorpions)
members of Class Merostomata are….
horseshoe crabs
Members of Class Arachnida are…(5)
- scorpions
- spiders
- ticks
- mites
- daddy long legs
Subphylum Crustacea classes…(4)
- Branchiopoda (“sea monkeys”
- Copepoda (copepods)
- Cirripedia (barnacles)
- Malacostraca (shrimp, crab, lobster, amphipod, rollypolies)
members of Class Branchiopoda are…(2)
- sea monkeys
- daphnia
members of Class Copepoda are…
copepods
Members of Class Cirripedia are….
barnacles
members of Class Malacostraca are…(5)
- shrimp
- crab
- lobster
- amphipod
- roly-polies
Name this specimen.
Subphylum Trilobitomorpha
Class Trilobita
what is an extinct group of arthropods covered?
Subphylum Trilobitomorpha
Class Trilobita
Subphylum Chelicerata have two tagmata…
- cephalothorax
- abdomen
Chelicerata: cephalothorax
for sensing, feeding, and locomotion
Chelicerata: abdomen
for digestion, excretion, reproduction, and respiration
chelicerae
mouth structures for feeding, pincers or fangs
do members of Chelicerata have antennae?
no
what are the front most legs of members of Chelicerata called?
pedipalps; usually for feeding
how many legs do members of Chelicerata have?
8 total, 4 pairs
what class has blue blood? what is the pigment?
Subphylum Chelicerata
Class Merostomata
hemocyanin
What is the figure pointing at?
a mouth surrounded by gnathobase
Merostomata: gnathobase (2)
first four pairs of walking legs, each modified near the base to form a toother food-grinding surface
Merostomata: eyes (2)
- two compound eyes
- one ocelli
How can you tell the difference between a male and female horseshoe crab?
the ‘boxing gloves’ as the first pedipalp signifies a male
Members of Class Arachnida, Subphylum Chelicerata are…(5)
- spiders
- scorpions
- harvestment
- ticks
- mites
what specialized breather structures do members of Subphylum Chelicerata, Class Arachnida have? (2)
book lungs and internal tube system called a tracheal system
How do members of Subphylum Chelicerata, Class Arachnida excrete waste?
Malpighian tubules
What kind of feeders are members of Subphylum Chelicerata, Class Arachnida?
Mostly carnivorous
Subphylum Crustacea consists of these Classes…(4)
- Brachiopoda
- Copepoda
- Cirripedia
- Malacostraca
Class Brachiopoda consists of…(2)
- sea monkeys
- daphnia
Class Copepoda consists of…
copepods
Class Cirripedia consists of…
barnacles
Class Malacostraca consists of…(5)
- shrimp
- crabs
- lobsters
- amphipods
- roly-polies
Members of Subphylum Crustacea have two tagmata…
- cephalothorax
- abdomen
in Subphylum Crustacea, the cephalothorax contains these structures…(3)
- two sets of antennae
- mouth parts
- periopods/pereiopods
periopods/pereiopods
five pairs of walking legs
in Subphylum Crustacea, the abdomen has these structures…(3)
- pleopods/swimmerets
- uropods
- telson
Subphylum Crustacea have biramous appendages meaning…
one for gills and one for attachment
Members of Subphylum Crustacea have what respiratory structures?
GILLS- even the land ones
in Class Branchiopoda, where are the gills found?
on the legs
Name these specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Branchiopoda
What kind of lives do members of Class Copepoda live? (3)
- endoparasitic
- ectoparasitic
- freeliving
what eye structures do members of Class Copepoda have?
a single median eye
Name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Copepoda
Briefly describe the Class Cirripedia lifecycle. (2)
- free swimming larvae
- sessile adults
what kind of feeding does Class Cirripedia use?
filter feeding
how do members of Class Cirripedia collect food?
they use Cirri
Name these specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Cirripedia
Members of Class Malacostraca are…(4)
shrimp, crabs, lobsters, crayfish
who has the most complex eyes ever discovered?
Mantis shrimp
Which specimen is male? Which is female?
Left is male, right is female
chelicerae were derived from…
appendages of the second segment of the ancestral form
who are referred to as ‘living fossils?”
horseshoe crabs !
what makes horseshoe crab blood blue?
hemocyanin!
fangs are…
modified chelicerae
Which characteristic is shared by Nematoda and Arthropoda but no Mollusca?
an exoskeleton or cuticle that is shed by ecdysis
Which of the following is absent in Chelicerata?
a. pedipalps
b. antennae
c. cephalothorax
d. abdomen
b. antennae
How many pairs of chelicerae, pedipalps, and walking legs do horseshoe crabs have?
- one pair of chelicerae
- one pair of pedipalps
- four pairs of walking legs
what do you suppose the function of the telson in horseshoe crabs is? in other Chelicerata?
- it is used for burrowing in the sand
- defense
The fact that chelicerae are derived from a different body segment than mandibles shows…
mouthparts originated independently in Chelicerata and Crustacea
Chelicerata have many features found in all arthropods, but have very different head structure. This shows..
Chelicerata are the sister taxon to all other arthropods
carapace
covers the cephalothorax
the cephalothorax in members of Crustacea have how many pairs of walking legs?
five
Crustacea: chliped
the anterior-most walking legs that have been modified into pincers
swimmerets are also called
pleopods
atennules
the smaller pair of antennae that follow behind two larger pairs in Crustacea
do Crustaceans have mandibles?
yes!
barnacles
shrimp-like organisms that are sessile and live ‘headfirst’ in a ‘shell’
cirri
thoracic appendages of barnacles used for filter feeding
which group of Crustaceans have many parasitic species?
Copepoda
What advantage might mouthparts of various shapes provides a crayfish?
for different functions during feeding
what two arthropod body regions are fused into the cephalothorax?
head and thorax
how can you tell the difference between a male and female crayfish?
copulatory swimmerets on males
what organ secretes enzymes into the pyloric chamber of the stomach to assist in the chemical digestion of food?
digestive glands
which pair of walking legs in blue carbs have been modified for swimming?
the fifth
name these specimen.
Phylum Arthropoda
Subphylum Trilobitomorpha
Class Trilobita
name these specimen.
Phylum Arthropoda
Subphylum Trilobitomorpha
Class Trilobita
name this specimen.
Phylum Arthropoda
Subphylum Chelicerata
Class Merostomata
name this specimen.
Phylum Arthropoda
Subphylum Chelicerata
Class Arachnida
name this specimen.
Phylum Arthropoda
Subphylum Chelicerata
Class Arachnida
name this specimen.
Phylum Arthropoda
Subphylum Chelicerata
Class Arachnida
name this specimen.
Phylum Arthropoda
Subphylum Chelicerata
Class Arachnida
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Branchiopoda
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Branchiopoda
name this specimen
Phylum Arthropoda
Subphylum Crustacea
Class Cirripedia
gooseneck barnacle
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Cirripedia
acorn barnacle
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Copepoda
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Copepoda
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
amphipods
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
roly-polies
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
name this specimen.
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
members of Subphylum Myriapoda are….(2)
millipedes and centipedes
how many antennae do members of Subphylum Myriapoda have?
one!
members of Subphylum Myriapoda exhibit serial homology, meaning…
their body segments are repetition of similar structures.
how many pairs of legs per segment do members of Chilopoda have?
one pair
how many pairs of legs per segment do members of Diplopoda have?
two pairs
how many pairs of legs per segment do members of Hexapoda have?
three jointed appendages
Subphylum Myriapoda has these two classes:
Chilopoda and Diplopoda
Subphylum Hexapoda has this class.
Insecta
Class Insecta has these two Divisions
Paleoptera and Neoptera
Name the wingless Order
Zygentoma
What are the winged divisions? (2)
Paleoptera and Neoptera
what is the order within Paleoptera
Odonata
What are the Orders within Neoptera that are hemimetabolous? (5)
- Orthoptera
- Hemiptera
- Phasmida
- Blattodea
- Mantodea
somite
segment
Class Chilopoda are carnivorous/herbivorous?
carnivorous, and venomous!
Class Diplopoda are herbivorous/detritivorous?
detritivorous - feed on organic matter within lead litter
Which tagmata do members of Subphylum Hexapoda have?
all three (head, thorax, and abdomen)
How many pairs of walking legs do members of Subphylum Hexapoda have?
three pairs on the thorax
Subphylum Hexapoda, Class Insecta use the abdomen for…
reproduction
Subphylum Hexapoda, Class Insecta use the thorax for…
locomotion
Order Zygentoma contains what kind of insect?
silverfish - NO WINGS
Order Zygentoma are _____, meaning they display no type of metamorphosis
ametabolous
Order Odonata have what kind of insects? (2)
dragonflies and damselflies
Order Odonata are carnivourous/herbivorous?
carnivorous
ommatidia
small compound eye subunits
hemimetabolous development
the young or ‘nymphs’ of these insects look like mini adults but lack functional wings until their first molt
This figure shows what kind of development?
hemimetabolous
Order Orthoptera has what kind of insects? (3)
grasshoppers, crickets, and locusts
How can you tell the difference between grasshoppers vs. katydids and crickets?
grasshoppers have antennae shorter than their bodies while the other have VERY LONG antennae
what is this organism?
Phylum Arthropoda
Subphylum Hexapoda
Division Neoptera
Order Orthoptera - katydid
Order Blattodea has what kind of insects? (2)
termites and cockroaches
termites are _____ animals that live in a colony of related individuals
eusocial
Order Hemiptera has what kind of insects? (3)
true bugs, cicadas, and aphids
Order Hemiptera: ‘true bugs’
forewings have a leathery base and membranous tip that are crossed over their back producing an X
Order Hemiptera: hoppers
cicadas - active plant feeding insects, small, elongated individuals that are excellent jumpers
Order Hemiptera: aphids
small, mostly inactive plant feeding insects
Order Phasmida contains what kinds of insects? (2)
walking sticks and leaf insects
holometabolous development
insects first develop a larvae, several molting stages called instars, and then they pupate and undergo a radical change into their adult form with function wings and reproductive organs
what kind of development does this figure show?
holometabolous
What Orders of Neoptera are holometabolous? (4)
- Coleoptera
- Lepidoptera
- Diptera
- Hymenoptera
Order Coleoptera have what kind of insects?
Beetles
All beetles of Order Coleoptera have this feature in common.
their first pair of wings have been modified to become hard coverings called ELYTRA
Order Lepidoptera have what kind of insects? (2)
butterflies and moths
Order Diptera has what kind of insects? (2)
flies and mosquitoes
members of Order Diptera share this common feature
their second pair of wings has been modified into flight stabilizers called HALTERES
Order Hymenoptera have what kind of insects? (3)
ants, bees, and wasps
Most members of Order Hymenoptera are parasitoids, meaning…
they lay their eggs on other arthropods and the larvae literally consume their hosts from the inside :)
name this specimen
Phylum Arthropoda
Subphylum Myriapoda
Class Chilopoda
name this specimen
Phylum Arthropoda
Subphylum Myriapoda
Class Diplopoda
name this specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Paleoptera
Order Odonata
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Class Orthoptera
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Blattodea
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Hemiptera
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Mantodea
name this specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Phasmida
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Hemiptera
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Diptera
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Coleoptera
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Hymenoptera
name these specimen
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Division Neoptera
Order Lepidoptera