Lecture 15-Invertebrate II

Question 1

Roundworms are in the phylum __________.

Answer 1

Nematoda

Question 2

Roundworms are __________ worms.

Answer 2

Non-segmented

Question 3

Organisms in the phylum Nematoda have __________ muscles.

Answer 3

Longitudinal

Question 4

Organisms in the phylum Nematoda have __________ canals.

Answer 4

Alimentary

Question 5

Do organisms in the phylum Nematoda have circulatory systems?

Answer 5

No

Question 6

Organisms in the phylum Nematoda are free __________ and __________.

Answer 6

Living, parasitic

Question 7

The Filariasis nematode can cause __________.

Answer 7

Elephantiasis (aka elephantitis)

Question 8

__________ is caused by nematode larvae encysted in muscle.

Answer 8

Trichinosis

Question 9

Rod of Asclepius may be based on this nematode.

Answer 9

Guinea worm

Question 10

“Jointed feet”.

Answer 10

Arthropoda

Question 11

Organisms in the phylum Arthropoda have __________ symmetry.

Answer 11

Bilateral

Question 12

Arthropods have __________ bodies.

Answer 12

Segmented

Question 13

Arthropods have hard __________.

Answer 13

Exoskeletons

Question 14

An arthropod’s exoskeleton is made of __________.

Answer 14

Chitin

Question 15

An arthropod’s exoskeleton is __________ resistant.

Answer 15

Desiccation

Question 16

Ecdysis is otherwise known as what?

Answer 16

Molt

Question 17

Arthropods have __________ legs.

Answer 17

Jointed

Question 18

An arthropod’s many pairs of limbs provide __________.

Answer 18

Specialization

Question 19

Arthropods have __________ guts.

Answer 19

Complete

Question 20

Arthropods have __________ circulatory systems.

Answer 20

Open

Question 21

Arthropods evolved from:

Answer 21

Segmented worms

Question 22

Segments __________ over time and __________.

Answer 22

Fuse, specialize

Question 23

The class of Arthropods that are extinct.

Answer 23

Trilobites

Question 24

The 5 classes of Arthropods are:

Answer 24

Cheliceriformes, Myriapoda, Hexapoda, Crustacea, and Trilobites

Question 25

Spiders, ticks, horseshoe crabs, and scorpions are examples of __________.

Answer 25

Cheliceraformes

Question 26

Claw-like feeding appendage.

Answer 26

Chelicera

Question 27

Cheliceraformes do not have __________.

Answer 27

Antennae

Question 28

Fused head and thorax.

Answer 28

Cephalothorax

Question 29

Cheliceraformes have:

Answer 29

Cephalothoraxes

Question 30

Millipedes are __________.

Answer 30

Herbivores

Question 31

Millipedes have _____ pair(s) of legs per segment.

Answer 31

2

Question 32

Centipedes are __________.

Answer 32

Carnivores

Question 33

Centipedes have _____ pair(s) of legs per segment.

Answer 33

1

Question 34

Millipedes and centipedes are in this class of Arthropoda.

Answer 34

Myriapoda

Question 35

This class of Arthropods is insects.

Answer 35

Hexapoda

Question 36

The 3 main parts of class Hexapoda are:

Answer 36

Head, thorax, and abdomen

Question 37

Insects (or organisms in the class Hexapoda) have _____ pair(s) of walking legs.

Answer 37

3

Question 38

Insects (or organisms in the class Hexapoda) have _____ antennae.

Answer 38

2

Question 39

Crabs, shrimp, barnacles, and lobsters are examples of __________.

Answer 39

Crustacea

Question 40

Most organisms in the class Crustacea are __________ and __________.

Answer 40

Marine and freshwater

Question 41

A few organisms in the class Crustacea are __________.

Answer 41

Terrestrial

Question 42

Starfish, brittle stars, sea cucumbers, and sea urchins are examples of __________.

Answer 42

Echinoderms

Question 43

Are Echinoderms protostomes or deuterostomes?

Answer 43

Deuterostomes

Question 44

Echinoderms have endoskeletons made of __________ __________.

Answer 44

Calcareous plates

Question 45

Hydraulic system of closed tubes containing sea water.

Answer 45

Water vascular system

Question 46

Used for locomotion (tube feet), food and waste transport, and respiration.

Answer 46

Water vascular system

Question 47

The water vascular system is used for __________, __________ and __________ transport, and __________.

Answer 47

Locomotion, food and waste, respiration

Question 48

Echinoderms have __________ larvae.

Answer 48

Bilateral

Question 49

Adult echinoderms have __________ symmetry.

Answer 49

Radial

Question 50

Radial symmetry in echinoderms is __________.

Answer 50

Homoplastic