L/g Roots & Vocab 4/15-

Front 1

Procto-

Back 1

rectum, anus

Front 2

proto-

Back 2

first, primary

Front 3

pseud-

Back 3

false, deceptive

Front 4

pter-

Back 4

havings wings or fins

Front 5

pulmo-

Back 5

lung

Front 6

puls-

Back 6

drive, push

Front 7

pyr-

Back 7

heat, fire

Front 8

quadr-

Back 8

four, four-fold

Front 9

quin-

Back 9

five

Front 10

radi-

Back 10

ray, spoke of a wheel, energy in rays

Front 11

re-

Back 11

again, back

Front 12

rect-

Back 12

correct, right

Front 13

ren-

Back 13

kidney

Front 14

ret-

Back 14

net, made like a net

Front 15

rhin-

Back 15

nose

Front 16

rhiz-

Back 16

root

Front 17

rubr-

Back 17

red

Front 18

saccharo-

Back 18

sugar

Front 19

sapr-

Back 19

rotten

Front 20

saur-

Back 20

lizard

Front 21

scler-

Back 21

hard

Front 22

sci-

Back 22

know

Front 23

scope

Back 23

look, observe

Front 24

-scribe, script

Back 24

write

Front 25

semi-

Back 25

half, partly

Front 26

Echinoderms

Back 26

Sessile or slow-moving animals that include sea stars, sea urchins, brittle stars, crinoids, and basket stars.

Front 27

Tube Feet

Back 27

Extensions of a network of hydraulic canals that function in locomotion, gas exchange, and feeding.

Front 28

Vertebrates

Back 28

A chordate animal with a backbone: the mammals, birds, reptiles, amphibians, and various classes of fishes.

Front 29

Chordates

Back 29

A member of a diverse phylum of animals that possess a notochord; a dorsal, hollow nerve cord; pharyngeal gill slits; and a postanal tail as an embryo.

Front 30

Notochord

Back 30

A long flexible rod that runs along the dorsal axis of the body in the future position of the vertebral column.

Front 31

Urochordates

Back 31

A chordate without a backbone, commonly called a tunicate, a sessile marine animal.

Front 32

Paedogenesis

Back 32

The precocious development of sexual maturity in a larva.

Front 33

Neural Crest

Back 33

A band of cells along the border where the neural tube pinches off from the ectoderm; the cells migrate to various parts of the embryo and form the pigment cells in the skin, bones of the skull, the teeth, the adrenal glands, and parts of the peripheral nervous system.

Front 34

Tetrapods

Back 34

A vertebrate possessing two pairs of limbs, such as amphibians, reptiles, birds, and mammals.

Front 35

Amniotic Egg

Back 35

A shelled, water-retaining egg that enables reptiles, birds, and egg-laying mammals to complete their life cycles on dry land.

Front 36

Amniotes

Back 36

A vertebrate possessing an amnion surrounding the embryo; reptiles, birds, and mammals are amniotes.

Front 37

Oviparous

Back 37

Referring to a type of development in which young hatch from eggs laid outside the mother's body.

Front 38

ovoviviparous

Back 38

Referring to a type of development in which young hatch from eggs that are retained in the mother's uterus.

Front 39

Viviparous

Back 39

Referring to a type of development in which the young are born alive after having been nourished in the uterus by blood from the placenta.

Front 40

Class Agnatha

Back 40

A member of a jawless class of vertebrates represented today by the lampreys and hagfishes.