Last modified on 11 October 2010, at 03:49

Dichotomous Key/Mammalia

Dichotomous Key: Mammalia
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Information related to Mammalia
Wikipedia
Wikispecies
Wikicommons
Parent key: Vertebrata
Subphyla
Actinistia - Actinopterygii - Amphibia - Aves - Chondrichthyes - Dipnoi - Mammalia - Petromyzontidae - Reptilia
Key: Mammalia
Subclasses
Marsupialia - Monotremata - Placentalia

1Edit

Egg: A zygote, resulting from fertilization of the ovum
Birth: The process by which a fetus is expelled from the body of its mother

2Edit

Marsupium: A pouch in which an animals' young are reared through infancy
Uterus: An organ that accepts a fertilized ovum and nourishes it until birth
Placenta: An organ that moves nourishment and waste between a fetus and its mother