Ch. 32

Question 1

Eukaryotic, multicellular, heterotrophic (ingestive)

Answer 1

animals

Question 2

Plants are ___ because they make their own food

Answer 2

autotrophs

Question 3

Porifera are ___; have no separate tissues (tissue layers), no body symmetry or digestive system

Answer 3

sponges

Question 4

Have 2 tissue layers (diploblastic), radial symmetry, and incomplete digestive systems

Answer 4

cnidaria and ctenophora

Question 5

3 tissue layers (triploblastic); bilateral symmetry and complete digestive systems

Answer 5

bilateria

Question 6

What are the two germ layers (tissue layers)?

Answer 6

endoderm and ectoderm

Question 7

What are the 3 germ layers (tissue layers)?

Answer 7

ectoderm, mesoderm, and endoderm

Question 8

Only one opening, gastro-vascular cavity;
same kind of tissue

EX. cnidaria

Answer 8

incomplete digestive system

Question 9

Two openings, mouth and anus;
some digestive here and other parts here
–> specialization of digestive structures

Answer 9

complete digestive system

Question 10

One gut opening to two gut openings is an example of an ___ trend

Answer 10

animal

Question 11

Name of the group that has no true tissues, asymmetry, and no digestive system

Answer 11

metazoan

Question 12

Name of group that is diploblastic (2 tissue layers)

Answer 12

eumetazoa

Question 13

Name of group that is triploblastic (3 tissue layers)

Answer 13

bilateria

Question 14

Backside

Answer 14

dorsal

Question 15

Abdominal side

Answer 15

ventral

Question 16

Front (toward head)

Answer 16

anterior

Question 17

Back

Answer 17

posterior

Question 18

Top and bottom; has no CNS, hard to establish centralized location

Answer 18

radial symmetry

Question 19

Front and back; sensory information aggregates at front (anterior end) –> brain

Answer 19

bilateral symmetry

Question 20

Radial and spiral, determinate or indeterminate

Answer 20

cleavage

Question 21

Includes mollusks, annelids, and arthropods; spiral and determinate (cleavage)

Answer 21

protostomes

Question 22

Includes echinoderms and; radial and indeterminate (cleavage)

Answer 22

deuterostomes

Question 23

What cells become are determined by location of cell such as in ___

Answer 23

mollusks

Question 24

A body cavity

Answer 24

coelom

Question 25

Flat worms are a kind of ___.
Includes 3 tissue layers, no cavity, and are bilateral

Answer 25

acoelomate

Question 26

Has body cavity, inside mesoderm

Answer 26

coelomate

Question 27

Becomes the mouth in things such as mollusks

Answer 27

blastopore

Question 28

Make shell-like structure that they can shed, exoskeleton

Answer 28

ecdysozoa