Marsupials

In Glogpedia

by 18MGrady
Last updated 4 years ago

Discipline:
Science
Subject:
Zoology
Grade:
9

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Marsupials

Marsupials are members of a group of pouched mammals whose embryos are born before a development of the brain is formed.

Marsupials

Defining Characteristics -Most Marsupials are pouched animals. - Gestation time makes them unique. Marsupials give birth early and an embryo is born before it is fully developed. -Marsupials complete their development in an external pouch. -Marsupials are endotherms. (animal whose main source of body heat is generated from cell metabolism).- Marsupials are mammals, giving them mammary glands. -Glands don't fully develop in males. Mammary glands allow female marsupials to feed their young.

Kangaroo

Koala

Opossum

Examples/Subgroups

Body Structure-Koalas have bacteria in their stomachs that break down toxic oils in Eucalyptus leaves. -Female Kangaroos adapted their stomachs to have a pouch that carries their newborns.-Kangaroos go long periods without water due to their digestive tract being able to reabsorb water out of their food.

Feeding-Kangaroos are herbivores (eat mainly grass).-Opossums are omnivores (feeds on both plants and animals) and eat mice, rats, cockroaches, snakes, frogs, fruits, nuts, and, garden plants.-Koala's diet consists of mainly Eucalyptus leaves.

Reproduction/Life Cycle-Marsupial reproduction is 4 to 5 weeks. -The egg is enclosed in the vestiges of a shell has a small quantity of yolk in it, and goes from the ovary to the uterus. It then begins it’s development. -First stage for Kangaroos is young, immature Joey. -Second stage is a matured Joey.-Third stage is an adult Kangaroo.

Importance-Marsupials are eaten in some cultures.-Used to make exotic fur coats. -They draw many tourists to Australia. -Marsupials help provide evidence for continental drift.

Kangaroo Body Structure

Special Features/Cool Facts-Male and Female Koalas both have two sex organs.

Works Cited Animal Diversity Web. N.p., n.d. Web. 9 Apr. 2015. Animal fact Guide. N.p., n.d. Web. 9 Apr. 2015. Defenders of Wildlife. N.p., n.d. Web. 9 Apr. 2015. Exploring Nature. N.p., n.d. Web. 9 Apr. 2015."Koala." Flickr. N.p., n.d. Web. 9 Apr. 2015. nhptv. N.p., n.d. Web. 9 Apr. 2015. Outwit Critters. N.p., n.d. Web. 9 Apr. 2015."Skeleton of the Kangaroo." Wikimedia Commons. N.p., n.d. Web. 9 Apr. 2015."3 Kangaroos Escape from German Zoo with Help from Fox and Wild Boar." CBS News. N.p., n.d. Web. 9 Apr. 2015. Ucmp. N.p., n.d. Web. 9 Apr. 2015."Virginia Opossum (Didelphis Virginiana)." Flickr. N.p., n.d. Web. 9 Apr. 2015.


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