PHYLUM ARTHROPODA

Question 1

they represent more species than all the other animals combined

Answer 1

arthropoda

Question 2

they have body segments fused to form body parts like head, thorax, and abdomen for active lifestyles

Answer 2

arthropoda

Question 3

members of this phylum exhibit jointed appendages

Answer 3

arthropoda

Question 4

greek arthron means

Answer 4

joint

Question 5

greek word which means joint

Answer 5

arthron

Question 6

what does podos mean

Answer 6

leg

Question 7

greek word which means leg

Answer 7

podos

Question 8

it has an exoskeleton of chitin that they molt regularly

Answer 8

arthropoda

Question 9

it has a compound or simple eyes and an open circulatory system

Answer 9

arthropoda

Question 10

are important members of marine, freshwater, land and air ecosystem, and are the only invertebrates that have adapted to dry environments

Answer 10

arthropoda

Question 11

what are the smallest ones in arthropoda

Answer 11

tantulocarids

Question 12

what is the weight and length of the smallest arthrpoda tantulocarids

Answer 12

less than 25 ug for an 85 um

Question 13

what is the heaviest arthropoda

Answer 13

20kg american lobster

Question 14

what is one of the longest arthropoda

Answer 14

4 m spider crab

Question 15

few arthropods are ——- or can reproduce ——-

Answer 15

hermaphroditic or reproduce asexually

Question 16

most arthropods rely on ——– reproduction

Answer 16

sexual reproduction

Question 17

they usually lay eggs

Answer 17

arthropoda

Question 18

some of them can produce live young after the eggs have hatched inside the mother

Answer 18

arthropoda

Question 19

they are arthropods which can be miniature adults and do not have segmented limbs or hardened cuticles or tiny naupilius larvae which will all undergo metamorphosis

Answer 19

arthropoda hatchling

Question 20

hatchling arthropods which can be miniature adults and do not have segmented limbs or hardened cuticles or tiny naupilius larvae which will all undergo —— into adult forms

Answer 20

metamorphosis

Question 21

hatchlings, grubs or caterpillars, or tiny nauplius larvae will all undergo ——– into adult forms

Answer 21

metamorphosis

Question 22

arthropods speicalized body parts

Answer 22

head, thorax, and abdomen

Question 23

what is the exoskeleton of arthropods made of

Answer 23

chitin

Question 24

4 extant subgroups of arthropoda

Answer 24

chelicerates
myriapods
crustaceans
hexapods

Question 25

it includes the marine horseshoe carbs and arachnids

Answer 25

chelicerates

Question 26

chelicerates include marine -------- and ------

Answer 26

horseshoe crabs and arachnids

Question 27

examples of arachnids

Answer 27

spiders scorpions ticks mites

Question 28

they usually have 4 pairs of legs

Answer 28

chelicerates

Question 29

this lineage possesses specialized mouthparts and no antennae

Answer 29

chelicerates

Question 30

called a specialized mouthparts

Answer 30

chelicerae

Question 31

they most have a two-part body of cephalothorax and abdomen

Answer 31

chelicerates

Question 32

there are no antennae and they breath with book lungs or gills

Answer 32

chelicerates

Question 33

chelicerates have no ----

Answer 33

antennae

Question 34

chelicerates breath with ---- or -----

Answer 34

book lungs or gills

Question 35

most chelicerates have a two-part body of ------ and -----

Answer 35

cephalothorax and abdomen

Question 36

whose prominent feauture is an abundance of legs, include teh centipedes and milipedes

Answer 36

myriapods

Question 37

myriapods include ---- and -----

Answer 37

centipedes and milipedes

Question 38

it means thousands of legs

Answer 38

milipedes

Question 39

they rarely have more than 300 legs

Answer 39

milipedes

Question 40

means hundreds of legs

Answer 40

centipedes

Question 41

they have less than 70 legs

Answer 41

centipedes

Question 42

they breath by means of tracheae

Answer 42

myriapods

Question 43

myriapods breath by means of

Answer 43

trachaea

Question 44

they inhabit terrestrial environment exclusively

Answer 44

myriapods

Question 45

they have one pair of antennae and two body parts, the head and the trunk

Answer 45

myriapods

Question 46

a mostly marine group with two pairs of antennae

Answer 46

crustaceans

Question 47

how many pairs of antennae do myriapods have

Answer 47

one pair

Question 48

how many pairs of antennae do crustaceans

Answer 48

two pairs

Question 49

it includes the cirripedes, copepods and decapods

Answer 49

crustaceans

Question 50

they are barncales

Answer 50

cirripedes

Question 51

includes lobsters, craysfish, crabs, shrimps

Answer 51

decapods

Question 52

they all are gill-breathing arthropods

Answer 52

crustaceans

Question 53

they are insects and have three smaller groups

Answer 53

Hexapods

Question 54

they are the largest and most diverse arthropod group with over 850,000 species

Answer 54

Hexapods

Question 55

all of its members have 6 legs, two antennae

Answer 55

hexapods

Question 56

how many antennae do hexapods have

Answer 56

2 antennae

Question 57

how many legs do hexapods have

Answer 57

6 legs

Question 58

they breath via tracheal tubes and a body typically divided into head, thorax and abdomen

Answer 58

hexapods

Question 59

where do hexapods breath via

Answer 59

tracheal tubes

Question 60

3 parts the body of hexapods are divided into

Answer 60

head thorax abdomen

Question 61

this group includes the only flying invertebrates as some members are aslo provided with one or to pairs of wings

Answer 61

hexapods

Question 62

some members of hexapods are provided with on or two pairs of ----

Answer 62

wings