animal diversity

Question 1

a pseudocoelome is found in which phylum

Answer 1

nematoda

Question 2

which phylum have only one opening to the digestive tract ( no anus)

Answer 2

cnidaria and platyhelminthes

Question 3

are roundworms or earthworms members of phylum platyhelminthes

Answer 3

no, but flukes and tapeworms are

Question 4

in which phylum do we see muscles and nerves in their simplest forms

Answer 4

cnidaria - jellyfish

Question 5

what are two characteristics of vertebrates

Answer 5

pharyngeal (gill) slits
dorsal hollow nerve cord

Question 6

which vertebrate does not posses an amniotic egg

Answer 6

fish
amphibians

Question 7

what is the only taxonomic category that exists in nature

Answer 7

species

Question 8

how do animals that live in water dispose of nitrogenous wastesv

Answer 8

ammonia (NH3) is released across the body surface or gills

Question 9

how do animals that do not live in water dispose of nitrogenous waste

Answer 9

converting to urea

Question 10

how do reptiles and bords dispose of nitrogenous waste

Answer 10

uric acid

Question 11

what are the three domains of life

Answer 11

bacteria
archaea
eurkarya

Question 12

what is bilateral symmetry

Answer 12

two lined symmetry ( complex)

Question 13

what is radial symmetry

Answer 13

symmetry around a central point - 1 line (simple)

Question 14

what three germ layers give rise to the tissues and organs of the animal embryo

Answer 14

mesoderm
ectoderm
endoderm

Question 15

what is a protist

Answer 15

single celled (unicellular) eukaryotic organisms that arent plants, animals or fungi
protozoans, algae and fungus are like protist

Question 16

how do amoebas move

Answer 16

pseudopodia (false feet)

Question 17

how do paramecium move

Answer 17

cilia (hair looking)

Question 18

what are the phylums of the animal kingdom

Answer 18

1. Phylum Porifera (sponges)
2. Phylum Cnidaria (sea anemones, jellyfish, coral, hydra)
3. Phylum Platyhelminthes (flatworms)
4. Phylum Nematoda (roundworms)
5. Phylum Annelida (segmented worms, earthworms, leeches)
6. Phylum Mollusca (clam, squid, snails, slugs)
7. Phylum Arthropoda (crustaceans, insects, spiders)
8. Phylum Echinodermata (starfish)
9. Phylum Chordata (includes all vertebrates)

Question 19

where do members of phylum platyhelminthes live

Answer 19

marine, freshwater and damp terrestrial

Question 20

what way are members of phylum platyhelminthes flattened

Answer 20

dorsoventrally

Question 21

what cavity have members of phylum platyhelminthes

Answer 21

gastrovascular

Question 22

what are the three classes of phylum platyhelminthes

Answer 22

tuberellia - free living planarias
cestoda - parasitic tape worms
trematoda - parasitic flukes (liver fluke)

Question 23

what is a pseudocoelom

Answer 23

body cavity derived from the blastocoel rather then from mesoderm

Question 24

what are the characteristics of phylum nematoda (roundworms)

Answer 24

found in aquatic habitats, in the soil, in moist plant tissue or in body fluids/tissues of animals

Question 25

what are the characteristics of phylum annelida

Answer 25

examples are earthworms, marine worms and leeches segmented

Question 26

what are the characteristics of phylum mollusca

Answer 26

examples are snails or oysters soft bodied with a hard shell they have 3 main parts 1. muscular foot 2. visceral mass 3. mantle

Question 27

what is the largest phylum in the animal kingdom

Answer 27

arthropods (>2 mill) spiders, centipede, lobster, insects

Question 28

what are the 3 basic characteristics of arthropods

Answer 28

jointed appendages segmented body external skeleton (chitin)

Question 29

what are the characteristics of phylum echinodermata

Answer 29

examples are starfish spiny skin tube feet (suction cup) pentaradial symmetry (5 arms)

Question 30

what are members of phylum chordata

Answer 30

fish amphibia reptilia aves mammalia

Question 31

what is a notochord

Answer 31

primitive skeletal support

Question 32

what chordates have no jaws

Answer 32

lampreys

Question 33

what is a coelacanth

Answer 33

missing link between fish and amphibia

Question 34

what are the four classifications of protist

Answer 34

excavata SAR archeaplastida unikonta

Question 35

what is excavata

Answer 35

asymmetrical, single-celled organisms with a feeding groove from one side divided into 3 groups 1. diplomonads 2. parabasalids 3. euglenozoans

Question 36

what is an alveolates

Answer 36

have membrane enclosed sacs (alveoli) just under the plasma membrane member of SAR group divided into 3 sub groups 1. dinoflagellates 2. apicomplexans (parasites) 3. ciliates (move using cilia)

Question 37

______ are so called because of air filled sacs under the cell membrane

Answer 37

alveolates

Question 38

apicomplexans are ______ of animals, and some cause serious human ______

Answer 38

parasites diseases

Question 39

plasmodium requires both ______ and _______ to complete its life cycle

Answer 39

mosquitoes and humans

Question 40

paramecium is an example of a _____

Answer 40

ciliate