[DOC] [TLE] Platypus Facts - Live Science [PAR] Aug 4, 2014 ... The platypus is one of the most unusual creatures in the animal kingdom. ... from 
parts of other animals; females lay eggs, and males are venomous. ... Native to 
the rivers of eastern Australia, platypus are monotremesunlike most other 
mammals, monotremes never evolved live birth, but instead lay eggs... [DOC] [TLE] Characteristics - Philip Rogers Elementary School [PAR] May 10, 2013 ... Every mammal is a vertebrate, All mammals have lungs to breathe air ... many of 
these species are still being heavily impacted by utilization. ... In others, the 
males fight for the right to mate. ... Unlike fish, whales do not remove oxygen from 
the water but ... -Monotremes lay eggs instead of giving LIVE BIRTH! [DOC] [TLE] How can platypuses be mammals when they lay eggs? [PAR] Sep 20, 2014 ... ... about offshore investments and others didn't as questions mounted about tax 
exemptions ..... Some mammals lay eggs; some snakes give birth to live young. 
Birds are in fact the only class of vertebrates that reproduce solely by laying eggs. 
... Unlike duck bills, the platypus' mouth is located underneath. [DOC] [TLE] Platypus - Wikipedia [PAR] The platypus (Ornithorhynchus anatinus), also known as the duck-billed platypus, 
is a semiaquatic egg-laying mammal endemic to eastern Australia, including 
Tasmania. Together with the four species of echidna, it is one of the five extant 
species of monotremes, the only mammals that lay eggs instead of giving birth. .... 
The platypus jaw is constructed differently from that of other mammals, and... [DOC] [TLE] Mammal - Wikipedia [PAR] Mammals are any vertebrates within the class Mammalia a clade of endothermic 
amniotes ... These were grouped in 1,229 genera, 153 families and 29 orders. ... 
and platypuses) and therian mammals (marsupials and placentals) and all ..... 
reproduce (cloaca)  as lizards and birds also do  and they lay eggs which are... [DOC] [TLE] Monotremata (Monotremes) - Dictionary definition of Monotremata ... [PAR] Closer examination of platypuses and echidnas has showed that these are far 
from regular mammals. The suggestion that they reproduced by laying eggs 
instead of giving birth to ... Monotremes are no less advanced than any other 
living mammal group. ... Unlike most of the world's mammals, the digestive, 
excretory, and... [DOC] [TLE] NatureSmart [PAR] There are over 9,000 species of birds in the world and all of them lay eggs. By 
contrast not all mammals, of which there are over 4,000 species, reproduce by 
live birth. ... These are the spiny anteaters and the platypus, both found in 
Australia. ... Unlike mammals, in which an embryo grows inside the body and is 
constantly... [DOC] [TLE] Reproduction in the Platypus [PAR] Even the skeleton of the platypus is drastically different than most mammals. ... 
Unlike a bird's beak (in which both the upper and lower parts of the beak ... into 
the skull, rather than lying in the jaw as the pre-mammalian ancestors. ... 
Platypuses live in burrows that they dig on the banks of fresh water rivers, lakes 
or streams. [DOC] [TLE] What Fossils Tell Us [PAR] Platypus: an egg-laying mammal ... give birth to live young and possess a 
placenta, while all reptiles lay eggs and ... Mammals and birds have four-
chambered hearts, with the four chambers ... If the new chamber arose before 
these other features, how would it work? ...... Reptiles and mammals reproduce 
very differently. [DOC] [TLE] Life Cycles of Animals and Plants - SEPUP [PAR] Students read about the life cycles of different animals and plants. ... opment in 
the life cycles of amphibians, insects, reptiles, birds, mammals, and seed ... 
Plants can also reproduce sexually. ... Instead, they lay soft-shelled eggs, inside 
of which the ... These species that bear live young can be subdivided into two 
groups. [DOC] [TLE] Why humans don't lay eggs: 'Jumping' genes were the origin of ... [PAR] Jan 30, 2015 ... Birds lay down a hard shell around

Question: Unlike the live births of other mammals, the platypus reproduces by laying these
Answer: eggs