Use the dichotomous key to correctly identify each dog in the picture above.

1

a. Long hair dogs

go to #2

b. Short hair dogs

go to #4

2

a. more than one color

go to #3

b. only one color

2b._

3

3. a. short nose

go to #5

b. Long nose

3b_

4

a. tall dogs

go to #6

b. short dogs

go to #8

5

a. white color chest

5a_

b. grey spotted chest

5b_

6

6. a. short nose

6a_

b. long nose

go to #7

7

a. black and white spots

7a_

b. grey body no spots

7b_

8

a. short nose

go to #9

b. long nose

go to #10

9

a. upright ears

9a_

b. floppy ears

9b_

10

a. more that on color

go to #11

b. only one color

10b_

11

a. stubby legs body close to the ground

11a_

b. longer legs body off the ground

11b_

Part a - prefixes, roots, and suffixes match these prefixes, suffixes and roots to their meanings. phospho- angio- -uria -tropic -phag- a. the word root means blood or lymph vessels. b. the word root means urine. c. the word root means feeding or eating. d. the word root means phosphate or phosphorus. e. the word root means attracted specifically to the specified organ or tissue. part b – match these vocabulary terms to their meanings. gonadotropic polyuria angiotensin ii polyphagia phosphodiesterase upon the release of renin, is produced and stimulates vasoconstriction and the release of aldosterone. fsh and lh are examples of hormones, which target the ovaries or testes. an enzyme that degrades second messengers like camp or cgmp is . overproduction of urine, or , is a sign of diabetes mellitus. overeating, or , is a sign associated with diabetes mellitus.