Chp 13 Anthropoda

Question 1

Subphylum Chelicerata

Class Arachnida

Answer 1

Spiders, scorpions, ticks, mites

Question 2

Subphylum Chelicerata] Class Merostomata

Answer 2

Horseshoe crabs

Question 3

Subphylum Myriapoda

Class Chilopoda

Answer 3

Centipedes

Question 4

Subphylum Myriapoda

Class Diplopoda

Answer 4

Millipedes

Question 5

Subphylum Hexapoda

Class Insecta

Answer 5

Insects

Question 6

Subphylum Crustacea

Answer 6

Crayfish Lobsters Prawn Shrimp Crabs

Question 7

What does the term tagmata mean?-

Answer 7

segmented body with specialized regions

Question 8

What is an exoskeleton?

Answer 8

a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.

Question 9

What is an exoskeleton made up of?

Answer 9

Chitlin protein lipids

Question 10

Why do arthropods have to molt?

Answer 10

shedding the old exoskeleton and expanding to a larger size before the new exoskeleton hardens.

Question 11

What is the tympanic organ used for?

Answer 11

cuticle covers air sac and picks up vibrations(ears)

Question 12

What is metamorphosis?

Answer 12

The process of transformation from an immature form to an adult form in two or more distinct stages.

Question 13

What is parthenogenesis?

Answer 13

reproduction from an ovum without fertilization, especially as a normal process in some invertebrates and lower plants

Question 14

Subphylum Chelicerata:

How many tagmata (body parts) and what are they?

Answer 14

Have two body parts called cephlothorax abdomen

Question 15

Subphylum Chelicerata:

Do they have antennae?

Answer 15

No

Question 16

Subphylum Chelicerata:

Type of appendages?

Answer 16

Uniramous appendages (attached cephalothorax)

Question 17

Arachnida:

How many legs?

Answer 17

4 pairs 8 legs

Question 18

Arachnida:

Describe their chelicera.

Answer 18

Either pinchers or fangs

Question 19

Arachnida:

What are pedipalps?

Answer 19

Sensory feeding movement reproduction (arm/fingers)

Question 20

Arachnida:

What do they use for respiration?

Answer 20

Book gill/Lungs (located under abdomen)

Question 21

Arachnida:

What are spinnerets?

Answer 21

organs that produce silk

Question 22

Arachnida:

Do all spiders make silk?

Answer 22

Yes

Question 23

Arachnida:

What do they use silk for?

Answer 23

Ballooning, Sperm transfer, Webs Egg cocoons

Question 24

Arachnida:
Who are the harvestman?
How are they different from spiders?

Answer 24

Lack the narrow separation between cephalothorax and abdomen Lack silk and venom glands

Question 25

Where might you find mites and ticks? | What do they do for food?

Answer 25

Everywhere Feed on host blood parasite

Question 26

What is unique about scorpions?

Answer 26

Long tail with stinger at the end | Contains venom Glow in the dark Carry babies on back

Question 27

Class Merostomata: | What do they eat? Where would you find them?

Answer 27

feed on small clams, crustaceans, and worms; however, they will also eat other animals and even algae. Shallow waters

Question 28

Class Merostomata: | What is the telson used for?

Answer 28

Long unsegmented telson to recover from being flipped over

Question 29

Class Merostomata: | What is their blood used for?

Answer 29

is used to test intravenous drugs and medical equipment for the presence of bacteria and endotoxin, a poison found in many bacteria.

Question 30

Subphylum Myriapoda | Type of appendages?

Answer 30

Uniramous appendages

Question 31

Subphylum Myriapoda | Body segments?

Answer 31

divided into multiple segments and each segment has a pair of appendages

Question 32

Subphylum Myriapoda | General body structure?

Answer 32

Long abdomen and cylindrical with many segments

Question 33

Subphylum Myriapoda | Antennae?

Answer 33

One pair of antennae

Question 34

``` Subphylum Myriapoda Class Chilopoda: Venomous/non venomous? How many pairs of legs per segment? What do they eat? ``` Flat or rounded body? Describe the last pair of legs.

Answer 34

``` Venomous 1 per segment (pair per segment) are carnivorous and prey upon soft-bodied insects, spiders, worms and other arthropods Flat Use to look like antenna for escape ```

Question 35

Subphylum Myriapoda Class Diplopoda: Venomous/non venomous? How many pairs of legs per segment? Flat or rounded body? What do they eat? How do they protect themselves?

Answer 35

Nonvenomous Each segment is actually two fused segments with two pairs of legs (2 per segment) Rounded body Eats dead stuff or plants Protection Roll into ball Produce defensive secretions that make it taste bad. Chemicals secrete.

Question 36

``` Subphylum Hexapoda Class Insecta Body segments? Antennae? Appendages? ```

Answer 36

Three Tagmata: head, thorax, and abdomen One pair Uniramous appendages

Question 37

Subphylum Hexapoda Class Insecta Where are the appendages located on the body?

Answer 37

Three pair walking legs attached to thorax; wings present in some species

Question 38

Subphylum Hexapoda Class Insecta What do they use for gas exchange?

Answer 38

Gas Exchange: Trachea and spiracles

Question 39

Subphylum Hexapoda Class Insecta What are malpighian tubules use for?

Answer 39

Excretory system: Malpighian tubules

Question 40

What does it mean to be a colonial insect?

Answer 40

Function Like Superorganisms. ... This type of interaction has been likened to that of a single organism, with each individual in a colony acting like a cell in the body

Question 41

Subphylum Hexapoda Class Insecta Describe metamorphosis. Why is it beneficial to insects?

Answer 41

The process of development in which the body of the larvae changes drastically to become an adult. Helps reduce competition

Question 42

Subphylum Crustacea | Describe how exoskeleton is different from other arthropods

Answer 42

Exoskeleton more pronounced, thicker, and heavier than other arthropods

Question 43

Subphylum Crustacea Type of appendages? Number or antennae? Wings?

Answer 43

Biramous (branching) appendages Two pair No wings

Question 44

Subphylum Crustacea | Gas exchanges in aquatic crustaceans?

Answer 44

Gas exchange typically across gills

Question 45

Subphylum Crustacea | Waste excretion?

Answer 45

by true nephridial structures

Question 46

Subphylum Crustacea | Who are the land crustaceans?

Answer 46

terrestrial crabs, terrestrial hermit crabs, and woodlice.

Question 47

Subphylum Crustacea | What does the mantis shrimp do that is interesting?

Answer 47

Mantis shrimps have the most complex eyes in the animal kingdom that can see ultraviolet and polarized light.( super punch)

Question 48

Subphylum Crustacea | Who are the crustaceans?

Answer 48

crabs, lobsters, crayfish, shrimp, krill, woodlice, and barnacles

Question 49

Why are the barnacles different from most of the other crustaceans (more similar to mollusca)?

Answer 49

Barnacles actually have legs inside of their shells, and show the same segmentation as all crustaceans

Question 50

Why are arthropods economically important? Good/bad

Answer 50

Agriculture/Ecosystem services Products: wax, honey, silk Pollinate 65% of plant species Bee pollinate $20 billion worth of crops

Question 51

Why are arthropods ecologically important? Good/bad

Answer 51

Spider’s Silk Stronger than Kevlar or steel but flexible Biodegradable Many potential uses