Mammals - marsupials

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by 18MChimenti
Last updated 5 years ago

Discipline:
Science
Subject:
Zoology
Grade:
9

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Mammals - marsupials

Fun Fact: There are about 334 species of marsupials!

Mammals: marsupials

Marsupials: ''pouched mammals'' that complete fertilization in an external pouch

Examples: kangaroos, koalas, and opossums

Characteristics, Diet, & Reproduction

-give birth very early, embryo climbs from the mother's birth canal to the nipples (develops for weeks or months)-marsupials are covered mainly in hair-marsupial mothers nurse their young in their pouches-majority of marsupials are active at night-some are carnivores (meat eaters), other species are general herbivores (plant eaters)-some are scavengers and omnivores and eat almost anything-marsupial young are embryos at birth-some carry young in rudimentary pouches (skin folds)-sperm heads align and pair inside the male reproductive tract during sperm maturation. ejaculated as pairs, and remain paired inside the female reproductive tract until just prior to fertilization

Works CitedCampbell, Neil A., Brad Williamson, and Robin J. Heyden. Biology Exploring Life. Boston: Pearson Prentice Hall, 2009. Print. Cody.pope. "North America Opossum." Wikipedia. Wikimedia, n.d. Web. 9 Apr. 2015. . "Endotherm." The Encyclopedia of Earth. Boston University, n.d. Web. 9 Apr. 2015. . "Feeding Habits." Britannica Kids. Encyclopedia Britannica, n.d. Web. 9 Apr. 2015. . Group of Kangaroos. Wikipedia. Wikimedia, n.d. Web. 9 Apr. 2015. . Joanides, Mr. "Echidna Spiny Anteater." Mr. Joanides' Wiki Pages. PBWORKS, n.d. Web. 9 Apr. 2015. . Klappenbach, Laura. "10 Facts about Marsupials." about.com. About.com, n.d. Web. 9 Apr. 2015. . "Koala." ITT Tech. EnchantedLearning, n.d. Web. 9 Apr. 2015. . "Mammary Gland." Healthline.com. Healthline Networks, n.d. Web. 9 Apr. 2015. "Marsupial Mammals." University of California Museum of Paleontology. Berkely University, n.d. Web. 9 Apr. 2015. . Musser, Anne Marie. "Monotreme." Encyclopedia Britannica. Encyclopedia Britannica, n.d. Web. 9 Apr. 2015. pixshark.com. DISQUS, n.d. Web. 9 Apr. 2015. . "Platypus." FamilyCourtMatters. N.p., n.d. Web. 9 Apr. 2015. . Platypus in Water. Wikipedia Commons. Wikimedia, n.d. Web. 9 Apr. 2015. . "Reproduction - Life Cycle." Opossum Society of the United States. Opossum Society of the United States, n.d. Web. 9 Apr. 2015. . Systematik. "Koala." Wikipedia. Wikimedia, n.d. Web. 9 Apr. 2015. . "Western Long-Beaked Echidna." Wikipedia. Wikimedia, n.d. Web. 9 Apr. 2015. .

Endotherms: animals that generate large heat energy to maintain a high core temperature

Mammary glands: located in the breasts of females that is responsible for lactating

-Koala fur is light-grey to brown-Koala have small eyes-Koala have 5 fingers & 2 apposable fingers-Koala have 5 toes & one apposable thumb toe-Kangaroo have powerful legs-Kangaroo have clawed hands and short arms-Kangaroo have a pouch with nipples for its Joey

Body Structure


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