Question

a placental attachment is classified as zonary if the area of contact takes the form of a band or ring around the fetus. zonary placentation occurs in which species?
dog
horse
cow
sheep
question 14
1 pts
________ causes the release of luteinizing hormone from the pituitary gland in camelid species.
high levels of estrogen
circadian rhythms
copulation
flehmen response

Explanation:

Zonary placentation is characteristic of carnivores like dogs. In camelid species, copulation causes the release of luteinizing hormone from the pituitary gland.

Answer:

A. Dog
C. Copulation