Wildlife Biology

Question 1

porifera

Answer 1

a phylum of primitive invertebrate animals comprising the sponges and having a cellular grade of construction without true tissue or organ formation

Question 2

cnidaria

Answer 2

a phylum of more or less radially symmetrical invertebrate animals that lack a true body cavity

Question 3

Annelida

Answer 3

The annelids, also known as the ringed worms or segmented worms, are a large phylum

Question 4

Hydriod

Answer 4

a hydrozoan polyp as distinguished from a hydrozoan jellyfish.

Question 5

jelly fish

Answer 5

a free-swimming marine coelenterate with a jellylike bell- or saucer-shaped body that is typically transparent and has stinging tentacles around the edge.

Question 6

Platyhelminthes

Answer 6

are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.

Question 7

Nematoda

Answer 7

with dorsal and ventral nerve cords, and with lateral excretory ducts that are parasites of humans, animals, or plants or free-living dwellers in soil or water and are known as roundworms

Question 8

pinworms

Answer 8

a small nematode worm that is an internal parasite of vertebrates.

Question 9

Tapeworms

Answer 9

a parasitic flatworm, the adult of which lives in the intestine of humans and other vertebrates. It has a long ribbonlike body with many segments that can become independent, and a small head bearing hooks and suckers.

Question 10

Bivalves

Answer 10

an aquatic mollusk that has a compressed body enclosed within a hinged shell, such as oysters, clams, mussels, and scallops.

Question 11

gastropods

Answer 11

mollusk of the large class Gastropoda, such as a snail, slug, or whelk.

Question 12

Coelomate

Answer 12

have a body cavity called a coelom with a complete lining called peritoneum derived from mesoderm

Question 13

Acoelomate

Answer 13

an invertebrate lacking a coelom especially : one belonging to the group comprising the flatworms

Question 14

Radial Symmetry

Answer 14

symmetry around a central axis,

Question 15

Asymmetry

Answer 15

lack of equality or equivalence between parts

Question 16

Bilateral symmetry

Answer 16

the property of being divisible into symmetrical halves on either side

Question 17

Tentacle

Answer 17

a limb of some sort

Question 18

Cnidocyte

Answer 18

is an explosive cell containing one giant secretory organelle

Question 19

Ectoderm

Answer 19

the outermost layer of cells or tissue of an embryo in early development

Question 20

Endoderm

Answer 20

the innermost layer of cells or tissue of an embryo in early development

Question 21

Ovary

Answer 21

a female reproductive organ in which ova or eggs are produced,

Question 22

Teste

Answer 22

a male reproductive part where sperm are produced