Vocabulary

Question 1

Metazoan

Answer 1

a zoological group comprising the multicellular animals.

Question 2

Protozoan

Answer 2

Any of numerous chiefly single-celled eukaryotic organisms, most of which move about freely and ingest food, including the amoebas, ciliates, flagellates, and apicomplexans. Protozoans along with certain algae, oomycetes, and some other groups make up the protists.

Question 3

Radial Symmetry

Answer 3

part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other

Question 4

blastula

Answer 4

hollow ball of cells

Question 5

blastopore

Answer 5

indentation in hallow ball of cells

Question 6

euocoelomate

Answer 6

lined cavity (humans have this)

Question 7

acoelomate

Answer 7

no coelom, no body cavity (flat worms have this)

Question 8

pseudoceolomate

Answer 8

have cavity, not lined (round worms)

Question 9

Eucoelomate

Answer 9

Any of the animals with “true” coelom, which is characterized by a body cavity completely lined with a peritoneum that attaches to organs

Question 10

deuterostomes

Answer 10

all cells are identical, if separated all parts will become new individual (identical twins)

Question 11

protostomes

Answer 11

cells are pre-programmed developmental fate is fixed, cannot separate and survive

Question 12

frontal plane

Answer 12

divides into dorsal and ventral halves

Question 13

transverse

Answer 13

divides into dorsal and ventral halves

Question 14

sagittal

Answer 14

divides into anterior and posterior halves

Question 15

bilateral symmetry

Answer 15

divided into two mirrored haves

Question 16

anterior

Answer 16

head end

Question 17

posterior

Answer 17

tail end

Question 18

cephalic

Answer 18

toward head

Question 19

caudal

Answer 19

toward tail

Question 20

dorsal

Answer 20

back

Question 21

ventral

Answer 21

belly

Question 22

medial

Answer 22

middle

Question 23

lateral

Answer 23

side

Question 24

distal

Answer 24

part away from trunk

Question 25

proximal

Answer 25

part close to trunk