Vocab and Animal Phyla

Question 1

Heterotroph

Answer 1

An organism that cannot make its own food, gets energy from others

Question 2

Zygote

Answer 2

Fertilized egg cell that comes from sperm and egg

Question 3

Blastula

Answer 3

A ball filled of fluid, made of a zygote going through mitosis and dividing

Question 4

Gastrula

Answer 4

A blastula that continued to divide, until it becomes a bi-layer sack with an opening at one end

Question 5

endoderm

Answer 5

inside skin and lining of digestive system

Question 6

ectoderm

Answer 6

Tissue that develops into nervous tissue and outer skin

Question 7

Asexual reproduction

Answer 7

reproduction done without fertilization resulting in an exact copy; A clone

Question 8

Asymmetric

Answer 8

not symmetrical

Question 9

radial symmetry

Answer 9

symmetry in a circle

Question 10

Bilateral symmetry

Answer 10

cut in half, two symmetrical planes

Question 11

Sessile

Answer 11

Animals that are stationary as adults, but can move at some stage of their life

Question 12

Hydrostatic skeleton

Answer 12

structure is filled with fluid, such as an earthworm.

Question 13

exoskeleton

Answer 13

Having a structure outside the body of an animal, like a snail having a shell

Question 14

Endoskeleton

Answer 14

Bone structures inside the body, such as the human skeleton

Question 15

Epidermis

Answer 15

the outermost layer on your body

Question 16

Cephalization

Answer 16

an animal that has a head

Question 17

Parasite

Answer 17

an organism that lives on another species, and benefits from that animal

Question 18

Coelon

Answer 18

A fluid filled body cavity of an animal that contains the internal organs

Question 19

Protostome

Answer 19

develop mouths from the first opening in the gastrula

Question 20

Deuterostome

Answer 20

develop anuses from the first opening in the gastrula

Question 21

Cilia

Answer 21

A short microscopic hair-like structure found in large numbers found on certain cells

Question 22

Invertebrate

Answer 22

an animal without a backbone

Question 23

Adaptation

Answer 23

changing to best fit the environment to survive

Question 24

Terrestrial

Answer 24

the ground, earth floor

Question 25

Aquatic

Answer 25

lives in bodies of water

Question 26

Marine

Answer 26

lives underneath water

Question 27

Posterior

Answer 27

back end

Question 28

dorsal

Answer 28

upper end, animal back

Question 29

ventral

Answer 29

lower end animal stomach

Question 30

anterior

Answer 30

front end

Question 31

Poritera

Answer 31

pore-bearing

Question 32

Cnidaria

Answer 32

stinging cells

Question 33

Platyhelminthes

Answer 33

Flat worms

Question 34

Annelida

Answer 34

little rings

Question 35

nematoda

Answer 35

round worms

Question 36

Arthropoda

Answer 36

jointed feet

Question 37

Chordata

Answer 37

cord bearing

Question 38

Mollusca

Answer 38

soft bodied

Question 39

Echinodermata

Answer 39

spiny skin