Small furries (Yr2)

Question 1

what are some examples of myomorphs?

Answer 1

rat, mouse, gerbil, hamster

Question 2

what are some examples of hystricomorphs?

Answer 2

guinea pigs, chinchilla, degu

Question 3

what is the dental formula of myomorphs?

Answer 3

1/1 0/0 0/0 3/3

Question 4

what is the dental formula of hystricomorphs?

Answer 4

1/1 0/0 1/1 3/3

Question 5

what does aradacular mean?

Answer 5

open rooted

Question 6

what does elodont mean?

Answer 6

continuously growing

Question 7

what words would be used to describe the incisors of rodents?

Answer 7

aradacular and elodont

Question 8

how do myomorph and hystricomorph molars differ?

Answer 8

myomorphs have anelodont (grow for a short period then stop)
hystricomorphs have elodont (continually erupt throughout life)

Question 9

do rodents need to be starved before surgery?

Answer 9

no - can’t vomit and have rapid gut transit time

Question 10

what is significant about the way rodents breath?

Answer 10

obligate nasal breathers

Question 11

how do the reproductive strategies of myomorphs and hystricomorphs vary?

Answer 11

myomorphs - large litters, short gestation, altricial young
hystricomorphs - small litters, long gestation, precocial young