Frog morphology

Question 1

Classification of a Field Frog:

Answer 1

Phylum: Chordata
Subphylum: Vertebrata
Class: Amphibia
Order: Anura
Family: Ranidae
Genus: Rana
Field frog: Rana vittegera Bullfrog: Rana catesbeina

Question 2

Two major parts of frog

Answer 2

Axial region
Appendicular region

Question 3

composed of the head and the trunk

Answer 3

Axial region

Question 4

composed of the appendages or the limbs.

Answer 4

Appendicular region

Question 5

is a triangular protruding region of the head.

Answer 5

Snout

Question 6

Is a large anterior opening of the head of the frog with teeth and tongue.

Answer 6

Mouth

Question 7

The two eyes are found on the sides of the head. The eyes have upper eyelid, lower eyelid and the 3rd eyelid called

Answer 7

Nictitating membrane

Question 8

are two small opening near the tip of the snout.

Answer 8

Nostrils or external nares

Question 9

is a small round arc of thickened membrane behind each eye.

Answer 9

Tympanic membrane

Question 10

is lightly colored spot at the median dorsal part of the head in front of the eyes.

Answer 10

Brow spot

Question 11

is a marked elevation on the mid-dorsal surface of the trunk near the posterior end.

Answer 11

Hump

Question 12

is a small opening at the dorsal end of the trunk, which serve for the exit of reproductive cells, excretory products and undigested food matter

Answer 12

Anus

Question 13

There are……. on the anterior end of the trunk consisting of the upper arm, forearm, wrist, manus or hand with four digits or finger.

Answer 13

Two forelimbs

Question 14

The…. on the posterior end of the trunk consist of thigh, shank or middle portion, ankles, with webbed toes, a sixth toe, the prehallux is felt on the inner side of the foot near the most proximal toe, the hallux.

Answer 14

Two Hindlimbs

Question 15

The ….in the upper mouth help keep the prey from escaping.

Answer 15

maxillary and vomerine teeth

Question 16

Is achieved by a combination of muscular movements, mucus secretion, ciliated lining, the mouth cavity and the lowering the eyes into their sockets that depresses the roof
of the mouth.

Answer 16

Swallowing

Question 17

Back part of the mouth cavity

Answer 17

Pharynx

Question 18

The stomach leads to the….l., where bile and pancreatic secretions act on food

Answer 18

Small intestine

Question 19

Absorption of food takes place in.l.

Answer 19

Small instestine

Question 20

The digestive process begins in the …

Answer 20

Mouth

Question 21

A passage way of air and food

Answer 21

Pharynx

Question 22

A flexible flab

Answer 22

Epiglottis

Question 23

After being chewed and swallowed, the food enters the

Answer 23

Esophagus

Question 24

It uses rhythmic, wave-like muscle movements

Answer 24

Peristalis

Question 25

is a large, sack- like organ that churns the food and bathes it in a very strong acid (gastric acid).

Answer 25

Stomach

Question 26

After being in the stomach, food enters the duodenum, the first part of the small intestine.

Answer 26

Small intestine

Question 27

After passing through the small intestine, food passes into the large intestine.

Answer 27

Large intestine

Question 28

Solid waste is then stored in the rectum until it is excreted via

Answer 28

Anus

Question 29

is a large dark gland and is the largest gland in the body. The position of which is posterior and somewhat dorsal to the heart.

Answer 29

Liver

Question 30

is a thin-walled greenish sac containing the bile

Answer 30

Gall bladder

Question 31

is an irregular glandular mass in the mesentery, which is situated between the duodenum and the stomach

Answer 31

Pancreas