Phylum Arthropoda

How many legs per somite (segment) do the Chilopoda have?

1

How many pairs of legs do the Chilopoda have?

15 to 174 pairs

How many legs do the Diplopoda have per somite (segment)?

2

How many pairs of legs do the chelicerata have?

4 pairs

What are the appendages of the Crustacea called?

Appendages are multicarticulate and jointed as all arthropods

The subphylum Crustacea body is composed of what? what is the term for it?

Body composed of a head and thorax that are fused and term a Cephalothorax

Are the Chelicerata monoecious or dioecious?

Both

Are the crustacea monoecious or dioecious?

Both

How to the Chelicerata perform excretion?

By coxal glands and/or Malpighian tubules

How do Crustacea excrete?

By nephridia (green gland, crayfish)

The trilobitomorpha's body is made up of a distinct head called the ____________ which is fused to the posterior portion of the body termed the _________________.

Cephalon; pygidium

The subphylum Uniramia's has two classes which are ?

Class Myriapoda Class Insecta

Which insect order includes the beetles and is the larges order?

Coleoptera

Are the Insecta's Dioecious or monoecious?

Dioecious

Are the arthropoda Dioecious or Monoecious?

Dioecious (or Gonochoristic)

Which order includes the flies?

Diptera

Describe Holometabolous development.

Eggs, larvae, pupa, adults

Describe Hemimetabolous Development.

Eggs, nymphs, adults Ex: grasshoppers

How is gas exchanged in the uniramia's?

Gas exchange by tracheal system with spiracles

What does the uniramia's head have?

Head with antennae and mandibles and various numbers of feeding appendages depending upon group

What makes up the Insecta's body?

Head, thorax, and abdomen = Tagmata

Which insect oder includes the true bugs, stink bugs?

Hemiptera

What kind of scavengers are the Diplopoda?

Herbivorous scavengers

The Class Insecta is also known as ?

Hexapoda - insects

Which insect order includes the cicadas?

Homoptera

What kind of animal is the Xiphosura?

Horseshoe crab - King Crabs

Which insect order includes the the bees, wasps, and ants

Hymenoptera

Which insect order includes the termites (eusocial - truly social; have a caste system)

Isoptera

What does the cuticle form on the Arthropoda and what is it made out of?

the cuticle forms a rigid exoskeleton which is composed of chitin

Which two tagmata does the subphylum Chelicerate have?

the prosoma and opisthosoma also called the cephalothorax and abdomen

What are mandibles?

whole-limb jaws with a single biting surface at the tip

Is the nervous system of the arthropoda well developed?

yes

Do the Trilobitomorpha have eyes?

yes two well-developed eyes (look compound from fossil evidence)

Is the arthropoda segmented? And where?

yes, internally and externally

What kind of eyes do the chelicerata have?

compound eyes, modified eyes, and ocelli

Do the Trilobitomorpha have appendages?

four pairs of appendages

Does the arthropoda have cilia?

functional cilia is absent; except in sperm in some groups

Which insect order includes the butterflies and moths?

Lepidoptera

What do the uniramia's use for excretion?

Malphighian tubules for excretion "kidneys"

Crustacea have jaws called _____________? They are what kind of limbs? What are they also considered?

Mandibles; multiarticulate limbs and are considered gnathobasic

Which order includes the praying mantis?

Mantoda

What kind of environment does the Xiphosura live in and found in?

Marine and located along most tropical to subtropical coastline

Where are the trilobites found? and called what?

Marine arthropods

What are the two classes in the chelicerata?

Merostomata and Arachnida

The Inecta's use what kind of transformation during development?

Metamorphosis

The subclass Diplopoda are more commonly known as the what?

Millipedes or the thousand leggers

The uniramia has what kind of appendages?

Multi- articulate and uniramous

Do the Chelicerata have antennae?

No

Which insect order includes the dragonflies?

Odonata

Do the arthropoda have a closed or open circulatory system? What is it called?

Open circulatory system called a ommatidia

Do Insecta's have an open or closed circulatory system? What kind of spaces do they have?

Open; also have tissue space called sinuses

What is Tagmosis?

fusion of metameric body plan or the fusion of somites into functional units

Is the gut of the arthropoda complete or not?

gut complete and well developed

What are the two different types of metamorphosis Insecta's use?

hemimetabous vs. holometabolous

Which insect order includes the grasshoppers and crickets?

Orthoptera

What kind of predators are the Chilopoda?

Predaceous - active predators

Are the Uniramia's dioecious or monoecious?

Primary Dioecious

What are some unique facts about the Diplopoda?

Slow moving - warning coloration common - hydrocyanic acid

The Class Myriapoda has two subclasses called the ?

Subclass Chilopoda Subclass Diplopoda

What kind of appendages does the Arthropoda have?

jointed which helps with motility

The Chilopoda have what kind of "claws"?

poison

What specifically makes up the joints in Crustacea that make them elasticity?

resilin, a sulphur protein makes up the joints that given them elasticity

How many legs do the Insecta's have?

six

The Insecta's have what kind of mouth parts?

specialized

The Chilopoda are more commonly known as the what?

The centipedes or called the hundred leggers

How do the arthropoda grow? And what is it called?

The grow by molting which is called Ecdysis

The subphylum Trilobitomorpha are also known as the what?

The trilobites - extent vs. extant

What kind of lava do Xiphosura have?

Trilobite larva

What are the four subphylum of the Arthropoda?

Trilobitomorpha, Uniramia, Crustacea, and Chelicerata

Do the crustacea have an abdomen?

Usually a distinct abdomen is present (remember these fused segments are termed tagmata)

What kind of eyes do the arthropod's have? What are the specifically called?

Usually have compound eyes called ommatidia

How do the Insecta's excrete/osmoregulation?

With malphigian tubules

What is the subclass of the class Merostomata?

Xiphosura

Do the Insecta's have a Trachea?

Yes

What is a living fossil?

a creature that is extant, but looks like the fossils we find today

What does the Trilobitomorpha's head bear?

antennae

How would you describe the Arthropoda's body?

bilateral, triploblasitic

The subphylum Uniramia's body is composed of what?

body composed of three tagma

How do the Chelicerata perform gas exchange?

by book lungs or trachea

How is gas exchanged in Crustacea?

by gills (very thin cuticle)

The appendages in the Prosoma of the Chelicerata are the ______________ and ________________.

chelicerae (Jaws) and the pedipalps (sensory and sometimes reproductive appendage

Are the arthropoda acoelomate, pseudocoelomate, or coelomate?

coelomate

What kind of eyes do the Crustacea have?

compound eyes in most taxa with ocelli in some

What kind eyes do the Uniramia's have?

compound eyes in most with ocelli