Yes. A mouse is a placental mammal.
No, they are placental mammals.
Yes. There are several species of native hopping mouse which, apart from the bat and some native rats, are the only true native placental terrestrial mammals in Australia. Species include the Spinifex Hopping Mouse, also known as the Brown or Northern Hopping Mouse, and the Dusky Hopping Mouse.
A rabbit is a placental mammal.
No. There are no insects which are placental.
The aardvark is a placental mammal.
A cow is a placental mammal.
Most mammals are placental...marsupial mammals and monotremes are not placental.
a jaguar is a placental
No,octopus are not placental, they are cephalopad.
Placental.
Yes, vicuna are placental.
Terrestrial placental mammals do have fur or hair. Marine placental mammals do not.