Simple Invertabrates

Question 1

Porifera

Answer 1

is a phylum that includes the organisms known as sponges

Question 2

Cnidaria

Answer 2

an aquatic invertebrate animal of the phylum Cnidaria, which comprises the coelenterates

Question 3

Annelida

Answer 3

any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms

Question 4

Hydroid

Answer 4

noting or pertaining to that form of hydrozoan that is asexual and grows into branching colonies by budding

Question 5

Jellyfish

Answer 5

any of various marine coelenterates of a soft, gelatinous structure, especially one with an umbrellalike body and long, trailing tentacles; medusa

Question 6

Platyhelminthes

Answer 6

a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms

Question 7

Nematoda

Answer 7

a class of worms, Modern Latin compound of nemat- “thread” (from Greek nema, genitive nematos “thread,” from stem of nein “to spin;” see needle (n.)) + -odes “like, of the nature of

Question 8

Pinworms

Answer 8

a small nematode worm, Enterobius vermicularis, infesting the intestine and migrating to the rectum and anus, especially in children

Question 9

Tapeworms

Answer 9

any of various flat or tapelike worms of the class Cestoidea, lacking an alimentary canal, and parasitic when adult in the alimentary canal of humans and other vertebrates: the larval and adult stages are usually in different hosts

Question 10

Bivalves

Answer 10

Also called lamellibranch. Zoology. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills

Question 11

Gastropods

Answer 11

any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc

Question 12

Coelomate

Answer 12

having a coelom

Question 13

Acoelomate

Answer 13

acoelomate

Question 14

Radial Symmetry

Answer 14

symmetry that is radial

Question 15

Asymmetry

Answer 15

not symmetric

Question 16

Bilateral Symmetry

Answer 16

Bilateral Symmetry

Question 17

Tentacle

Answer 17

any of various slender, flexible processes or appendages in animals, especially invertebrates, that serve as organs of touch, prehension, etc.; feeler

Question 18

Cnidocyte

Answer 18

is an explosive cell containing one giant secretory organelle or cnida

Question 19

Ectoderm

Answer 19

the outermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the epidermis and nerve tissue

Question 20

Endoderm

Answer 20

the innermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures

Question 21

Ovary

Answer 21

female reproductive part

Question 22

Teste

Answer 22

male reproductive part