Last Exam Cards

Question 1

Phylum includes snails and slugs, oysters and clams, and octopuses and squids

Answer 1

Mollusca

Question 2

are soft bodied animals, but most protected by hard shell

Answer 2

Molluscs

Question 3

all molluscs have same body plan with 3 main parts

Answer 3

muscular foot, visceral mass, mantle

Question 4

Polyplacophora, Gastropoda, Bivalvia, Cephalopoda

Answer 4

4 major classes of molluscs

Question 5

most distinctive characteristics of gastropods

Answer 5

torsion

Question 6

the animal’s anus and mantle ends up above its head

Answer 6

torsion

Question 7

includes clams, oysters and scallops

Answer 7

Bivalves

Question 8

shell divided into 2 halves

Answer 8

bivalves

Question 9

includes squids, octopi, nautilus

Answer 9

Cephalopod

Question 10

have a closed circulatory system, well developed sense organs and complex brain

Answer 10

Cephalopods

Question 11

bodies made up of series of fused rings

Answer 11

Annelids

Question 12

Oligochaeta, Polychaeta, Hirudinea

Answer 12

3 classes of Phylum Annelida

Question 13

named for relatively sparse chaeta, have bristles made of chitin

Answer 13

Oligochaetes

Question 14

include earthworms and variety of aquatic species

Answer 14

Oligochaetes

Question 15

includes leeches

Answer 15

Hirudinea

Question 16

chemical secreted by leeches that prevents blood from coagulating

Answer 16

hirudin

Question 17

the most species rich animal group

Answer 17

Ecdysozoans

Question 18

Are covered by a cuticle coat

Answer 18

Ecdysozoans

Question 19

the process of shedding or molting the cuticle in ecdysozoans

Answer 19

ecydis

Question 20

two largest phyla of ecdysozoans

Answer 20

nematodes and arthropods

Question 21

have an alimentary canal, but lack a circulatory system.

Answer 21

nematodes

Question 22

Members of this phylum are found in nearly all habitats of biosphere

Answer 22

Arthropoda

Question 23

body plan consists of segment body, hard exoskeleton, and jointed appendages

Answer 23

Arthropod

Question 24

Arthropods have an open circulatory system with fluid called

Answer 24

hemolymph

Question 25

Cheliceriforms, Myriapods, Hexapods, Crustaceans

Answer 25

four major lineages of arthropods

Question 26

Most modern cheliceriforms are ________

Answer 26

arachnids

Question 27

gas exchange in spiders occurs in

Answer 27

book lungs

Question 28

many spiders produce _____ (a protein)

Answer 28

Silk

Question 29

Millipede class

Answer 29

Diplopoda

Question 30

Centipede class

Answer 30

Chilopoda

Question 31

has more species than all other forms of life combined

Answer 31

Hexapoda (insects and relatives)

Question 32

is one of the great successes of insects

Answer 32

Flight

Question 33

nymphs resemble adults but are smaller and go through series of molts until full size

Answer 33

incomplete metamorphosis

Question 34

have larval stages known as maggot, grub, or caterpillar

Answer 34

complete metamorphosis

Question 35

have branched appendages that are extensively specialized for feeding and locomotion

Answer 35

Crustaceans

Question 36

include terrestrial, freshwater and marine species

Answer 36

Isopods

Question 37

are larger crustaceans and include crabs, lobsters, crayfish and shrimp

Answer 37

Decapods

Question 38

Echinoderms and chordates are ________

Answer 38

Deuterostomes

Question 39

shared characteristics of deuterostomes

Answer 39

Radial cleavage, formation of mouth at end of embryo opposite blastopore

Question 40

network of hydraulic canals that branch into tube feet, function in feeding, locomotion and gas exchange

Answer 40

water vascular system

Question 41

there are about _______ species of vertebrates

Answer 41

52,000

Question 42

are a subphylum within the phylum Chordata

Answer 42

Vertebrates

Question 43

are bilaterian animals that belong to the clade of animals known as Deuterostomia

Answer 43

Chordates