Animals 2

Question 1

Identify all traits of Lophotrochozoan Protostomes

Answer 1

• Have a ciliated, free living larval stage
• display bilateral symmetry at some point in their onotogeny
• Possesses a ciliated feeding structure that functions in food collections and gas exchange

Question 2

Phylum Nemertea
Phylum Annelida
Phylum Mollusca

Answer 2

Spiralians

Question 3

Arachnids
Horseshoe carbs
Sea spiders

Answer 3

Chelicerates

Question 4

Phylum Mollusca
Phylum Annelida
Phylum Platyhelminthes

Answer 4

Lophotrochozoans

Question 5

Order Diptera
Order Hymenoptera
Order Lepidoptera
Order Coleoptera

Answer 5

Hexapods/ Insects

Question 6

Class Polychaeta
Class Clitella
Order Oligochaeta
Order Hirudinea

Answer 6

Annelids

Question 7

Lobsters , crabs ,shrimp, barnacles and crayfish

Answer 7

Crustaceans

Question 8

Phylum Nematoda and Phylum Arthropoda

Answer 8

Ecdysozoans

Question 9

Class Polyplacophora
Class Gastropoda
Class Bivalvia
Class Cephalopoda

Answer 9

Mollusks

Question 10

A strong muscle commonly used for movement and attachment to surfaces

Answer 10

foot

Question 11

A thick outer coating that often secretes minerals to form a shell or quill

Answer 11

Mantle

Question 12

An internal membranous structure that contains such organs as the heart , digestive glands and reproductive structures

Answer 12

Visceral Mass

Question 13

A rasping mouthpart seen in all mollusks except bivalves that aids in breakdown and ingestion of food

Answer 13

radula

Question 14

Traits seen in Protostomes

Answer 14

• True, complete digestive tract with a mouth on one end and an anus on the other
• Blastopore becomes the mouth during gastrulation
• Spiral cleavage during embryogenesis

Question 15

What group of protostomes accounts for more than half of all known species of living organisms ?

Answer 15

Hexapod

Question 16

Which group listed does not belong to the Lophotrochozoans

Answer 16

Arthropods

Question 17

A head with complex sensory organs, including eye that are comparable to those of vertebrates in their ability to resolve images is found in which of the following Mollusk group

Answer 17

Cephalopods

Question 18

Functions of arthropod appendages include

Answer 18

walking and swimming

Question 19

What specialized respiratory structures distinguish insects from other ecdysozoans

Answer 19

Tracheae and spiracles

Question 20

Phylum A : Platyhelminthes
Common name A :

Answer 20

Flatworm - Planarian speices

Question 21

Phylum B: Nemertea
Common name B:

Answer 21

Ribbon Worm

Question 22

Phylum C: Nematoda
Common name C:

Answer 22

Roundworm - Ascaris species

Question 23

Class E and common name : Clitella - earthworm
Order E:

Answer 23

Oligochaeta

Question 24

Class and Common name F: Clitella - leech
Order F:

Answer 24

Hirundinea

Question 25

Unifying traits Class Insecta

Answer 25

• Have 3 pairs of legs attached to the thoracic section
• Have antennae which extend from the cephalic region
• Gaps in the exoskeleton called spiracles, lead to tracheae tubes and allow or gas exchange

Question 26

Subphylum A: Hexapoda
Class
Order

Answer 26

Insecta
Hymenoptera

Question 27

Subphylum B: Myriapoda
Class
Order

Answer 27

Diplooda
Millipede

Question 28

Class C: Arachnida
Common name

Answer 28

Tick

Question 29

Subphylum D : Crustacea
Common name

Answer 29

Crab

Question 30

Subphylum E: Trilobitomorpha
common name

Answer 30

Trilobite

Question 31

Subphylum F: Chelicerata
Common name

Answer 31

Horseshoe crab