Curated OER
The Diversity of Mammals
In this mammals worksheet, students use idea maps about monotremes, marsupials, and placental mammals to complete 3 short answer questions.
Regents of the University of Michigan
Animal Diversity Web: Order Monotremata (Monotremes)
Animal Diversity Web offers a comprehensive look at monotremes. In addition to a general overview of monotremes, content includes numerous photographs and specimens, and a look at their classification.
San Diego Zoo Global
San Diego Zoo: Mammals
This resource provides extensive information about mammals.
BBC
Bbc Science & Nature: Platypus
Have you ever seen a platypus? This site has action photos and a detailed fact sheet to learn more about the egg-laying mammal.
The Field Museum
Field Museum: Exhibits: Evolving Planet: Tertiary
Delve into the Tertiary Period portion of the Evolving Planet exhibit, and trace the climate and continental shift during this time. Includes an overview of the period, a collection of images, and a look at the Tertiary Period's...
San Diego Zoo Global
San Diego Zoo: Platypus
This excellent resource from the San Diego Zoo presents extensive information on platypuses including details about their habitat, physical characteristics, size, diet, family life, conservation status, and fun facts.
San Diego Zoo Global
San Diego Zoo: Echidna
This excellent resource from the San Diego Zoo presents extensive information on echidnas including details about their habitat, physical characteristics, size, diet, family life, conservation status, and fun facts.
Animal Fact Guide
Animal Fact Guide: Platypus
Comprehensive guide to the platypus that features information on its physical characteristics, habitat (with a distribution map), diet, breeding patterns, unique traits and behavior, and conservation status.
The BIG zoo
The Big Zoo: Duck Billed Platypus
Here you can find a general overview of the duck-billed platypus. Content explores what this animal eats, where it lives, how its social life is structured, how it raises its young, and more.
San Diego Zoo Global
San Diego Zoo: Kids: Platypus
Colorful resource for learning useful facts about the platypus with photographs as well as information regarding their physical characteristics and unique features.
CK-12 Foundation
Ck 12: Biology: Mammalian Reproduction Study Guide
Review the reproduction of different types of mammals.
University of California
Ucmp: Monotremes, Egg Laying Mammals
University of California Berkeley offers a short, concise description about egg-laying mammals with links to more in-depth information.
CK-12 Foundation
Ck 12: Biology: Monotremes
[Free Registration/Login may be required to access all resource tools.] Describes how monotremes reproduce.
CK-12 Foundation
Ck 12: Biology: Evolution of Early Mammals
[Free Registration/Login may be required to access all resource tools.] Overview of the evolution of monotreme, marsupial, and placental mammals.
Unique Australian Animals
Unique Australian Animals: Platypus
The duck-billed platypus of eastern Australia is one of two mammals that bear their young in eggs. This illustrated article features many facts and photographs about this intriguing animal.