Dissection

Mammal Groups

General Characteristics

Primates

Adaptations

Miscellaneous

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What is the function of the organ labeled x? X

Diaphragm: Expands and contracts the thoracic cavity; helps to breathe

X What is the organ labeled x?

Left Lung

x What is the organ labeled x?

Trachea or esophagus

What is the organ labeled x? x

Spleen

What is the organ labeled x? x

Large Intestine/Colon

Manatees, Dugongs

Sirenians

Which of the following is not a monotreme: Platypus Echinda Spiny Ant Eater Bandicoot

1.Most diverse group of mammals 2.Give an example of a member of that group

Rodenta Rats, mice, voles, squirrels, beavers

What group does this mammal belong in?

Xenarthran

Name the group. Give one unique characteristic of group.

Chiropteran Winged mammal, only mammal that can fly

Protection from environmental factors

Hair/fur

Groups of organisms that have a four- chambered heart

Birds, reptiles and mammals

Most mammals use this type of fertilization

Internal fertilization

Difference in jaws between reptiles and mammals

Jaws in reptiles are not fused; Mammals are

List three things about mammals that are not found on other previously studied organisms

Placenta, hair, mammary gland, well developed brains, extensive parental care

The diets of early primates consisted of these types of organisms

Insects

Eyes close together in front of face allows for what type of vision?

Binocular vision

Which suborder does this primate come from?

Prosimian (pre monkeys)

Old world monkey New world monkey Hominid

Old World Monkey

Discovered in 1974 in East Africa (Give genus and species)

Australopithecus afarensis) Lucy (Australopithecus afarensis)

Ability to walk up- right

Bipedalism

Allows for grip

Opposable thumb

Unique reproductive characteristic of monotremes

Egg layers

Give two different types of teeth and their different functions.

Canine and Incisors – Tearing Molars or Premolars - Grinding

Give a unique characteristic of a marsupials

They have a pouch used for birth.

Weight is distributed equally through all toes

Artiodactyl

What group do these mammals belong in?

Insectivora (insectivores)

These mammals have no nipples.

Monotremes

Long prehensile tails used for swinging is a characteristic of what group?

New World Monkeys

Mammal with the shortest gestation period; mammal with the longest period

American opossum and African elephant