Animal Taxonomy and Phylogeny

Question 1

What are the four types of body symmetry?

Answer 1

• Spherical symmetry
• Radial symmetry
• Bilateral symmetry
• Biradial symmetry

Question 2

What are the planes of symmetry

Answer 2

• transverse plane
• frontal plane
• sagittal plane

Question 3

divides the body into anterior and posterior (front and back)
a. transverse plane
b. frontal plane
c. sagittal plane

Answer 3

a. transverse plane

Question 4

divides the body into dorsal and ventral (up and down)
a. transverse plane
b. frontal plane
c. sagittal plane

Answer 4

b. frontal plane

Question 5

vertical plane which passe through the body longitudinally, divides the body into a left and right section
a. transverse plane
b. frontal plane
c. sagittal plane

Answer 5

c. sagittal plane

Question 6

blastopore becomes mouth
a. protostomes
b. deuterostomes

Answer 6

a. protostomes

Question 7

blastopore becomes anus
a. protostomes
b. deuterostomes

Answer 7

b. deuterostomes

Question 8

two germ layers

Answer 8

diploblastic

Question 9

two germ layers + mesoderm

Answer 9

triploblastic

Question 10

has gut tube, mesoderm and coelom
a. coelomate
b. acoelomate
c. pseudocoelomate

Answer 10

a. coelomate

Question 11

has gut tube and mesoderm
a. coelomate
b. acoelomate
c. pseudocoelomate

Answer 11

b. acoelomate

Question 12

Blastopore becomes mouth
a. diploblastic
b. triploblastic

Answer 12

b. triploblastic

Question 13

Blastula -> Gastrula only
a. diploblastic
b. triploblastic

Answer 13

a. diploblastic

Question 14

a common feature of metazoans
a. gills
b. metamerism

Answer 14

b. metamerism

Question 15

serial repetition of body segments; longitudinal axis
a. metamerism
b. setae

Answer 15

a. metamerism

Question 16

contains internal and external structures, for mobility and complexity of structure and function
a. epithelial tissue
b. metamere or somite

Answer 16

b. metamere or somite

Question 17

a sheet of cells that covers an internal or external surface of the animal body
a. choanocyte
b. blastopore
c. epithelial tissue

Answer 17

c. epithelial tissue

Question 18

Epithelial tissue
Internally-
Externally -

Answer 18

Epithelial tissue
Internally- lining for all organs and ducts as well as all passageways
Externally - used for protectuon

Question 19

Single squamous epithelium, simple cuboidal epithelial, single columnar epithelium

Answer 19

simple epithelia

Question 20

transitional epithelial tissue that allows great stretching

Answer 20

stratified epithelium

Question 21

is widespread in body but contains relatively few cells, many fibers, and a ground substance or matrix that suspend fibers
a. epithelial tissue
b. connective tissue
c. nerve tissue

Answer 21

b. connective tissue

Question 22

two types of connective tissue proper occur in vertebrates

Answer 22

loose connective tissue and dense connective tissue

Question 23

Other specialized connective tissues include blood, lymph, adipose tissue, cartilage

Answer 23

wala na ayan na sagot

Question 24

semi-rigid tissue of firm matrix cells (chondrocytes) with collagen and elastin
a. cartilage
b. bone

Answer 24

a. cartilage

Question 25

strongest connective tissue made of calcified matrix (osteocytes) around collagen fibers
a. cartilage
b. bone

Answer 25

b. bone

Question 26

In bones, blood vessels flow through tiny channels called ____ and large canals that allow for continuous repair called remodeling

Answer 26

canaliculi

Question 27

In cartilage, it lacks blood supply so nutrients and wastes have to _____

Answer 27

diffuse through the ground substance such that it heals very slowly after damage

Question 28

Muscle tissues

Answer 28

• skeletal muscle
• cardiac muscle
• smooth muscle

Question 29

geographic range
species having very large geographic ranges or worldwide distributions
a. cosmopolitan
b. endemic

Answer 29

a. cosmopolitan

Question 30

geographic range
species with very restricted geographic distributions
a. cosmopolitan
b. endemic

Answer 30

b. endemic