Final

Question 1

Frog phylum

Answer 1

chordata

Question 2

Frog subphylum

Answer 2

vertebrae

Question 3

Frog class

Answer 3

amphibia

Question 4

Why are frogs said to have “two lives”?

Answer 4

They are amphibians meaning that they spend their lives in both water and land

Question 5

Dorsal means?

Answer 5

toward the back; upper/backside

Question 6

Ventral means?

Answer 6

toward the belly; under side

Question 7

Anterior means?

Answer 7

located towards front of the body

Question 8

Posterior means?

Answer 8

back of the body; near the rear

Question 9

Head means?

Answer 9

upper part of the body

Question 10

Torso means?

Answer 10

trunk of the body

Question 11

Frog lungs are poorly developed. How does this relate to their skin being thin and moist?

Answer 11

Frogs can breathe through their skin.
The thin membranous skin allows respiratory gases to diffuse directly down their gradients between the blood vessels and the surroundings. When the frog is out of the water, mucus glands in the skin keep the frog moist, which helps absorb dissolved oxygen from the air.

Question 12

How does the tympanic membrane work?

Answer 12

It receives sound vibrations and transmits them to auditory ossicles.

Question 13

List two ways forelimbs are different than hind limbs

Answer 13

hind limbs tend to be sturdier, stronger, and longer

hind limbs are more firmly attached to the spine

Question 14

What organs are removed first in a frog dissection?

Answer 14

liver, intestines, kidneys

Question 15

frogs exchange gases through the ____ and the ____

Answer 15

mouth, skin

Question 16

the glottis leads to the frog’s _____ which connects the mouth to the _____

Answer 16

esophagus, stomach

Question 17

Arteries carry blood ___ the heart. Veins carry blood ____ the heart

Answer 17

away from, towards

Question 18

______ connect arteries to veins

Answer 18

capillaries

Question 19

A frog’s heart has ___ chambers. Two atrium and ___ ventricle

Answer 19

3, 1

Question 20

Urine and solid waste leaves the frog’s body through an opening called the ____

Answer 20

cloaca

Question 21

Muscle tissue is usually grouped into large _____

Answer 21

bundles

Question 22

A frog’s skeleton is made up of _______ regions

Answer 22

axial and appendicular

Question 23

The axial region consists of ___ bones. The appendicular skeleton consists of ___ bones

Answer 23

47, 112

Question 24

The frog’s tongue is anchored in the very front–opposite to the orientation and anchoring of humans. Why do you think this is so?

Answer 24

To retrieve food to the back of the mouth. It throws its sticky tongue out to catch insects, the tongue snaps back and throws the food down its throat.

Question 25

Location and function of esophagus

Answer 25

near stomach, tube leads from mouth to stomach

Question 26

Location and function of stomach

Answer 26

near pancreas, first site of chemical digestion, breaks down food

Question 27

Location and function of pancreas

Answer 27

near stomach, male’s insulin

Question 28

Location and function of cloaca

Answer 28

on top of left sewer, where urine, sperm, eggs exit

Question 29

Location and function of lungs

Answer 29

middle of body, oxygen and carbon dioxide exchange

Question 30

Location and function of heart

Answer 30

right of chest, pumps blood

Question 31

Location and function of liver

Answer 31

near gallbladder, makes bile

Question 32

Location and function of gallbladder

Answer 32

left posterior lobe, stores bile

Question 33

Location and function of small intestine

Answer 33

near gallbladder, absorbs nutrients from food

Question 34

Location and function of larger intestine

Answer 34

above cloaca, collects waste and absorbs water