Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
three groups of living mammals?
|
monotremes, marsupials, placental mammals
|
|
|
monotremes: ___ - _____ mammals
|
egg laying
|
|
|
monotremes: several systems all open to one opening called the:
|
cloaca
|
|
|
monotremes: young monotremes are nourished by:
|
their mothers milk
|
|
|
monotremes: list the 3 species that exist today
|
duckbill platypus, two species of spiny anteaters
|
|
|
marsupials: examples:
|
kangaroos, koalas, wombats
|
|
|
define marsupial:
|
mammals bearing live young that usually complete their development in an external pouch
|
|
|
define placenta:
|
formed when the embryos tissues join with tissues from within the mothers body
|
|
|
number of placental orders?
|
12
|
